Alternatives to SurveyJS
Compare SurveyJS alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to SurveyJS in 2026. Compare features, ratings, user reviews, pricing, and more from SurveyJS competitors and alternatives in order to make an informed decision for your business.
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1
Source Defense
Source Defense
Source Defense is a mission critical element of web security designed to protect data at the point of input. The Source Defense Platform provides a simple and effective solution for data security and data privacy compliance – addressing threats and risks originating from the increased use of JavaScript, third-party vendors, and open-source code in your web properties. The Platform provides options for securing your own code, as well as addressing a ubiquitous gap in the management of third-party digital supply chain risk – controlling the actions of the third-party, fourth and nth party JavaScript that powers your site experience. The Source Defense Platform protects against all forms of client-side security incidents – keylogging, formjacking, digital skimming, Magecart, etc. – by extending web security beyond the server to the client-side (the browser). -
2
Apify
Apify Technologies s.r.o.
Apify is a full-stack web scraping and automation platform helping anyone get value from the web. At its core is Apify Store, a marketplace with over 10,000 Actors where developers build, publish, and monetize automation tools. Actors are serverless cloud programs that extract data, automate web tasks, and run AI agents. Developers build them using JavaScript, Python, or Crawlee, Apify's open-source library. Build once, publish to Store, and earn when others use it. Thousands of developers do this - Apify handles infrastructure, billing, and monthly payouts. Apify Store has ready-made Actors for scraping Amazon, Google Maps, social media, tracking prices, lead-gen, and more. Actors handle proxies, CAPTCHAs, JavaScript rendering, headless browsers, and scaling. Everything runs on Apify's cloud with 99.95% uptime. SOC2, GDPR, and CCPA compliant. Integrate with Zapier, Make, n8n, and LangChain. Apify's MCP server lets AI like Claude dynamically discover and use Actors -
3
Unipark
Unipark
Our EFS Survey software is the industry standard solution for online feedback and survey research. That means: at Unipark you’ll be working with the same software used by many large organizations, consultancies and market research institutes to complete their online studies. This has two advantages. Firstly, you can be sure that you are completing your project with a truly excellent and proven software solution. Secondly, when you’re applying for jobs, many personnel managers will be very interested to read that you have experience using Questback software. Proven through thousands of projects, and perfect for the data collection and evaluation required when working on empirical degree- or Masters-related theses and dissertations. Our certified data center, located in Germany, fulfills the extremely high data protection and security requirements of the ISO 27001 standard for IT risk management.Starting Price: €29,95 per 3 months -
4
SoSci Survey
SoSci Survey
SoSci Survey provides a white-label solution that adheres to the strict requirements of German data privacy laws, and features an accessible survey interface design. And if you have a more complex questionnaire in mind, SoSci Survey really gets to display its strengths: Integration of audio, video, and images; freely programmable survey paths; fully customizable layouts; controlled randomization for scientific experiments; and much more. In order to use the SoSci service free of charge, the survey project must have no commercial background. A survey project is classified as non-commercial if it is not being carried out on behalf of or in cooperation with a commercial enterprise. Cooperation exists if the business enterprise influences the study in any way (for example by including questions formulated according to company bias), receives exclusive data, results or a presentation related to the results, or pays a fee for the study’s execution.Starting Price: €49 per month -
5
AnyGrids
AnyGrids
AnyGrids is a free JavaScript grid library with charts integration for visualizing any business data. With AnyGrid's vanilla library, you can quickly create interactive tables from Javascript arrays, JSON formatted data, AJAX data sources. You can include the library in your project (by script tag or npm package installation) and keep working on it without any additional adjustments. AnyGrid allows you to sort, filter, and group your data, use expanding table rows with custom data rendering, custom (bar, pie, linear) sparklines, use packaged themes, column calculations, and pagination. -
6
JsPHP
JsPHP
The free open-source JsPHP library. The JsPHP website is a 100% free community resource that provides a collaborative platform and web-based Integrated Development Environment (IDE) for building an open-source JavaScript library called JsPHP that provides an implementation of the PHP API for JavaScript environments. An Integrated Development Environment (IDE) is a tool for writing computer programs, and that's what the JsPHP website is a tool for creating and testing software. In the JsPHP IDE registered users can edit the JavaScript functions in the JsPHP library and can also write code to test that those functions are working properly or to test how well those functions perform (how fast they run when they are executed on the computer). If you're just starting out with learning JavaScript then helping out at JsPHP is the perfect way for you to get started because we have lots of beginner-level work that needs to be done that you could help us with.Starting Price: Free -
7
TaffyDB
TaffyDB
TaffyDB is an open source JavaScript library that brings powerful database functionality into your JavaScript applications. It offers a small file size with extremely fast queries and a powerful JavaScript-centric data selection engine. TaffyDB includes database-inspired features such as count, update, and insert, and provides robust cross-browser support. It is easily extended with your own functions and is compatible with any DOM library, as well as server-side JavaScript. Creating a database is straightforward, you can create a new empty database, a database with a single object, an array, or a JSON string. Once you have a database, you can run queries against it by calling the root function and building filter objects. TaffyDB allows you to filter using the database name and object comparison, access data easily, and modify data on the fly. You can also use functions to give you full control over the results of your query.Starting Price: Free -
8
Survey Project
Survey Project
The web application is used to create, publish and administer questionnaires, web forms and surveys online. Survey™ Project is an open source development platform to support and facilitate the development and distribution of the free web app. It's a free, open-source web application without any restrictions. The web app and survey builder. Used to create, design, publish and administer surveys, web forms and questionnaires. Webforms, surveys & questionnaires. The result of what is created with the web app and published online for end-users/ respondents to answer & submit. No technical knowledge is needed to create and publish the online surveys. Helpfiles, sample surveys and movies are available to get started. The platform is a collection of websites to support and facilitate the development and distribution of the SP™ web application. SP™ is based on Microsoft technology and written in C# .NET. It requires .NET, IIS, MsSql database and SMTP. -
9
Jaunt
Jaunt
Jaunt is a Java library designed for web scraping, web automation, and JSON querying. It provides a fast, ultra-light headless browser that enables Java programs to perform tasks such as web scraping, form handling, and interfacing with REST APIs. Jaunt supports parsing of HTML, XHTML, XML, and JSON, and offers features like HTTP header and cookie manipulation, proxy support, and customizable caching. The library does not support JavaScript execution; however, for automating JavaScript-enabled browsers, Jauntium is recommended. Jaunt is available under the Apache License, with a monthly edition that expires periodically, requiring users to download the latest version upon expiration. The library is suitable for tasks such as parsing and extracting data from web pages, filling out and submitting forms, and handling HTTP requests and responses. Comprehensive tutorials and documentation are available to assist users in getting started with Jaunt. -
10
LemonadeJS
Jspreadsheet
Agnostic Micro Reactive JavaScript Library. LemonadeJS is a dependency-free lightweight library featuring an abstract reactive layer and two-way data binding. It enables the creation of modern platform-agnostic components using pure JavaScript, JSX, or TypeScript. -
11
SAP Spartacus
SAP
Spartacus is a free, open-source JavaScript web application that hit the 1.0 Release in May 2019 and continues to release new updates every couple of weeks. It allows you to quickly create your own branded JavaScript-based storefront for SAP Commerce Cloud. Spartacus is written using Angular and published as a set of libraries. The recommended approach to using JavaScript is to build your own JavaScript web app and import the Spartacus libraries. Without modification, the storefront works out-of-the-box, but Spartacus has been designed to be upgradable, customizable, and extendable, to suit all your branding and functionality requirements. Spartacus is the strategic way forward for maintaining a customizable storefront with SAP Commerce Cloud. It replaces Accelerator templates, which were first introduced in SAP Commerce v4.4 to provide a ready-to-use starter implementation. -
12
JavaScript InfoVis Toolkit
SenchaLabs
The JavaScript InfoVis Toolkit provides tools for creating interactive data visualizations for the web. The best way to start is to take a look at the demos page. Each demo has a See the Example Code link that takes you to the code for that example. The actual library code is included in the HTML file by building the lib each time with only the needed requirements taken from the name of the visualization and the build.json file. The required library code is built by the build.py file. In order to create a new visualization you need to set up the server environment to include test JavaScript files for your new visualization and also you need to add the new visualization files into the Source folder.Starting Price: Free -
13
DHTMLX
DHTMLX
DHTMLX is a JavaScript UI library that provides a set of highly customizable and flexible components for building modern and responsive web applications. The library includes more than 30 UI components, such as Gantt, Scheduler, Kanban, diagrams, charts, grids, spreadsheets, calendars, trees, forms, and more. DHTMLX helps to advance web development and build feature-rich data-intensive applications of any complexity. One of the key advantages of DHTMLX is its compatibility with different web frameworks, including React, Angular, and Vue.js, which makes it a great choice for developers who are already working with these frameworks. DHTMLX is also designed with performance in mind. Its components are optimized for fast rendering. A comprehensive and rich API provides a straightforward way to manipulate JavaScript/HTML5 UI widgets. The library has detailed API documentation, tutorials, and examples that help developers quickly get up to speed and start building their apps.Starting Price: $79 -
14
Vue.js
Vue.js
Builds on top of standard HTML, CSS and JavaScript with intuitive API and world-class documentation. Truly reactive, compiler-optimized rendering system that rarely requires manual optimization. A rich, incrementally adoptable ecosystem that scales between a library and a full-featured framework. Vue is a JavaScript framework for building user interfaces. It builds on top of standard HTML, CSS and JavaScript, and provides a declarative and component-based programming model that helps you efficiently develop user interfaces, be it simple or complex. Vue extends standard HTML with a template syntax that allows us to declaratively describe HTML output based on JavaScript state. Vue automatically tracks JavaScript state changes and efficiently updates the DOM when changes happen. Vue is a framework and ecosystem that covers most of the common features needed in frontend development. -
15
Secure My Files
SecuSimple
Secure My Files Mini, or SMF is a JavaScript library for securing documents using end-to-end encryption in the browser. SMF is using symmetric encryption algorithms (AES with a 256-bit cypher) to encrypt and decrypt files. As an application Secure My Files can be used as an application. You can deploy the sources available here on your own server. Everything is static, so any web server will do. As a library It's simple to use SMF as a library. You first need to include the JavaScript script into the page. You can encrypt or decrypt a file, providing a password. Source code is available on Github for everyone to inspect. Anyone can detect issues and contribute, improving security. We and our servers are based in Europe. Build and host your own flavor of Secure My Files. Reuse as a library in your own application.Starting Price: $14.99 one-time payment -
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JSON
JSON
JSON (JavaScript Object Notation) is a lightweight data-interchange format. It is easy for humans to read and write. It is easy for machines to parse and generate. It is based on a subset of the JavaScript Programming Language Standard ECMA-262 3rd Edition - December 1999. JSON is a text format that is completely language independent but uses conventions that are familiar to programmers of the C-family of languages, including C, C++, C#, Java, JavaScript, Perl, Python, and many others. These properties make JSON an ideal data-interchange language. JSON is built on two structures: 1. A collection of name/value pairs. In various languages, this is realized as an object, record, struct, dictionary, hash table, keyed list, or associative array. 2. An ordered list of values. In most languages, this is realized as an array, vector, list, or sequence. These are universal data structures. Virtually all modern programming languages support them in one form or another.Starting Price: Free -
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CreateSurvey
Imposant
We evaluate survey and requirements within one business day. CreateSurvey rich functionality is ready to be extended for your custom task. Choose a survey theme from the library or order a custom design. CreateSurvey is a professional online service to create web forms and conduct surveys. Survey templates, different question types, display logic, timer, and other features. Affordable pricing and plans to match your tasks. FREE subscription available! View reports online or downloads for offline analysis (MS Excel, SPSS and others). There is a lot of pre-created survey templates of different types, ready for easy deployment. By using templates you can build a survey within minutes. All you have to do is log into your account, click "Add New Survey", add your company, product title, or other relevant information, and the survey is ready! Click to create a survey using templates available. -
18
SutiSurvey
SutiSoft
SutiSurvey is an online survey software that enables organizations to create and publish online surveys. The solution allows users to design & customize questionnaires, gather feedback and represent data graphically. This survey tool has been designed for organizations of all sizes eliminating paper, manual tasks and reducing overall cost of response collection and processing overhead. SutiSurvey includes a question library that includes commonly used questions. Include skip logic and branching intelligence to your survey to navigate the user to various questions based on previous responses. A pre-built survey library allows you to create common surveys quickly and efficiently. Configure email templates and ensure the right message is being sent to recipients. -
19
Flexmonster Pivot Table
Flexmonster
Flexmonster Pivot is a feature-rich JavaScript library for web reporting. The component connects to any data source and perfectly visualizes data from MongoDB, Elasticsearch, OLAP cubes, SQL, NoSQL databases, or JSON / CSV files up to 1GB. This web component works seamlessly with any technology stack and integrates perfectly with Angular, React, Vue, Blazor, Flutter, and more. With Flexmonster, you have no limitation on server-side technology, no matter whether your website runs on .NET, Java, PHP, Ruby, etc. Flexmonster Pivot Table & Charts provides Excel-like features that help users create clear reports from complex data and get valuable insight. You can work with massive datasets and experience fast grid rendering and smooth scrolling even with over a million rows of data without delays. It’s a ready-made solution for web developers that ensures detailed information and effective customer support.Starting Price: from $799 -
20
JointJS
client IO s.r.o.
JointJS is a powerful JavaScript diagramming library that helps developers and companies of any size build advanced visual and No-Code applications. It comes in two versions: open-source (JointJS) with limited features and professional (JointJS+), which extends the features of JointJS and offers a wide range of customizable features, ready-to-implement demo applications and white-glove support.Starting Price: $2990 per developer -
21
Auth.js
Auth.js
Auth.js is an open-source authentication library designed to integrate seamlessly with modern JavaScript frameworks, providing a flexible and secure authentication experience. It supports various authentication methods, including OAuth (e.g., Google, GitHub), credentials, and WebAuthn, allowing developers to choose the most suitable approach for their applications. Auth.js is compatible with multiple frameworks, such as Next.js, SvelteKit, Express, Qwik, and SolidStart, enabling developers to implement authentication across different platforms. The library offers built-in support for popular databases like Prisma, Drizzle ORM, Supabase, Firebase, and TypeORM, facilitating user data management. Security features include signed cookies, CSRF token validation, and encrypted JSON Web Tokens (JWTs), ensuring robust protection for user data. Auth.js is designed to operate efficiently in serverless environments and provides comprehensive documentation and examples.Starting Price: Free -
22
DonkeyWorks Survey Platform
DonkeyWorks
DonkeyWorks Survey Platform is designed to conduct any kind of field based. Interview surveys on tablets/smartphones. The platform's web interface is used for designing questionnaire, monitoring survey activity and analyzing the survey data. The Tablet comes with offline sync, ensuring that the survey forms can be filled even in areas with no Internet connectivity. Organizations engaged in Social Development /CSR work use the platform to conduct, monitor and assess the impact of CSR/Development program on the end beneficiary. Additionally the platform also aids in rendering customized counselling to beneficiaries. The platform is being used in 300+ districts in India in more than 20 states and also being used outside India. DonkeyWorks is part of NASSCOM 10,000 Startups program and is undergoing incubation at NASSCOM Warehouse, Noida, India. Additionally, in its endeavor, it's being supported by Google. -
23
CanvasJS Charts
Fenopix Technologies
JavaScript Charting Library with 10x better performance & a simple API. You can easily integrate our JS Charts with popular Frameworks like React, Angular, Vue, etc. The library comes with 30+ chart types including line, column, bar, area, pie, doughnut, stacked, etc. Graphs support various interactive features like tooltips, zooming, panning, animation, events, drill-down, exporting and can easily be integrated with various server-side technologies like PHP, Ruby, Python, ASP.Net, Node.JS, Java, etc. To top it all off, it can easily render thousands of data points without any performance lag. CanvasJS supports 30 different types of Charts and renders across devices including iPhone, iPad, Android, Mac & PCs. This allows you to create rich dashboards that work across devices without compromising on maintainability or functionality of your web application. -
24
Nest Forms
Nest Forms
Nest Forms is a web and app-based form builder that allows you to track, create and manage mobile forms, surveys, and simple polls under your own dedicated account. You can access your forms from your desktop, online or native Android, iPhone, and iPad survey app. Nest Forms is a mobile app form builder that can be used in the creation and design of customer sales orders, surveys, inspection forms or questionnaires in a simple to use mobile survey app. This will enable you to create quick and simple build mobile forms that can be filled out on your pc, laptop, or through your native mobile app, custom-built to your requirements. We have thousands of users that have learned just how easy the Nest Forms app builder can make their lives either in terms of form data capture, mobile surveys, or field marketing survey capture, check out our FAQ to see some other questions that you might consider important to your organization or have a look at our Help section.Starting Price: €11.95/month -
25
SmartSurvey
SmartSurvey
Create online surveys, forms and questionnaires to collect and analyse data, giving you the insights to make smarter decisions. From students and charities to businesses and public sector organizations, our customers trust our platform to capture and act on data every day. SmartSurvey is packed with features to help you quickly and easily reach respondents and capture feedback and opinions. All plans benefit from unlimited surveys, a library of ready-made templates and a wide range of question types. Paid plans include advanced question types and logic. Enterprise plans add out-of-the-box customer experience questions, dashboards and sophisticated custom variable options. Extend the reach of your survey with powerful in-built distribution options. All plans provide unique links to share, send and track your surveys, or embed on your website. Business plans and above can send and track survey invites using our in-built email tool.Starting Price: $25 per month -
26
NestJS
NestJS
Gives you true flexibility by allowing use of any other libraries thanks to modular architecture. An adaptable ecosystem that is a fully-fledged backbone for all kinds of server-side applications. Takes advantage of latest JavaScript features, bringing design patterns and mature solutions to Node.js world. A complete development kit for building scalable server-side apps. In recent years, thanks to Node.js, JavaScript has become the “lingua franca” of the web for both front and backend applications. This has given rise to awesome projects like Angular, React and Vue, which improve developer productivity and enable the creation of fast, testable, and extensible frontend applications. However, while plenty of superb libraries, helpers, and tools exist for Node (and server-side JavaScript), none of them effectively solve the main problem of - Architecture. -
27
Evergreen ILS
Evergreen
This is the project site for Evergreen, highly-scalable software for libraries that helps library patrons find library materials, and helps libraries manage, catalog, and circulate those materials, no matter how large or complex the libraries. The Evergreen Project develops an open-source ILS (integrated library system) used by more than 2,000 libraries around the world. The software, also called Evergreen, is used by libraries to provide their public catalog interface as well as to manage back-of-house operations such as circulation (checkouts and check-ins), acquisition of library materials, and (particularly in the case of Evergreen) sharing resources among groups of libraries. Evergreen depends on the following technologies Perl, C, JavaScript, XML, XPath, XSLT, XMPP, OpenSRF, Apache, mod_perl, and PostgreSQL. The latest stable release of a supported Linux distribution is recommended for an Evergreen installation. -
28
Nullstack
Nullstack
Write the backend and frontend of a feature in a single component and let the framework decide where the code should run. Nullstack provides you with all the tools you need to stay focused on the product. On the first render, you'll get SEO-ready HTML optimized for the first paint of your route in a single request using local functions with zero JavaScript dependencies in the client bundle. After the content is served and the network is idle Nullstack JavaScript is loaded, the state of the application is restored through hydration and it becomes a single-page application. Subsequent server functions will fetch JSON from an automatically generated microservice API, deserialize the response, update the application state, and rerender the page out of the box. A full stack lifecycle combined with a feature-driven mindset allows you to write clean and reusable code without the need to create APIs manually. -
29
Agoric
Agoric
A Proof-of-Stake chain utilizing secure JavaScript smart contracts to rapidly build and deploy DeFi. Save time by using our pre-built smart contract components and dapps. They’re secure, composable, and let you get your project out the door pronto. Agoric offers a library of reusable, composable components coded by experienced community members just like you. Use familiar tooling to build smart contracts in secure JavaScript. As you grow, be confident your hiring pool of experienced developers won't run dry! By eliminating categories of complex security bugs, Agoric provides builders with a safer environment to quickly harden your contracts. We’ve been working in smart contracts for decades, since long before it was called a blockchain. Agoric was founded on open-source principles optimized for a booming, collaborative, public economy. Agoric components help keep your focus on building your application, not on complex protocol integrations and third-party code. -
30
Triggerbee
Triggerbee
Triggerbee is your all-in-one conversion toolkit for turning website visitors into subscribers, members, and customers. Built for ecommerce and subscription brands, Triggerbee gives you the power to create high-converting experiences in minutes—without writing a single line of code. Here’s what you can do with Triggerbee: - Launch onsite forms, promotions, and gamified experiences - Run surveys, quizzes, and referral campaigns - Show personalized offers based on CRM tags or onsite behavior - Recover abandoned carts with smart nudges and sticky codes - Guide visitors through VIP signups, membership flows, and upsells You can target your audience using CRM data, UTM parameters, session activity, or custom JavaScript logic. Everything connects to your existing tools—so you can sync data, automate actions, and track revenue impact.Starting Price: $39 per month -
31
GrabzIt
GrabzIt
GrabzIt is a web capture platform offering APIs and online tools to programmatically convert web content into usable formats, such as high-quality screenshots (PNG, JPG, WEBP, TIFF, BMP, SVG), searchable PDFs, editable DOCX files, rendered HTML, icons, animated GIFs from online videos, and structured data like CSV, JSON, or Excel from HTML tables, directly from URLs or raw HTML, while handling modern web standards including CSS3, web fonts, and JavaScript for accurate rendering. Its RESTful API and native libraries across major languages (PHP, Python, Node.js, Ruby, C#, Perl, and more) let developers integrate web capture functionality into applications, automate workflows, and customize options such as browser size, capture delay, element-specific screenshots, custom cookies, watermarks, and more; GrabzIt also includes a web scraper to extract data from websites, a screenshot tool for automated and scheduled captures with archival and exporting to local storage.Starting Price: $1.99 per month -
32
AG Charts
AG Grid
AG Charts is a fast and flexible JavaScript charting library designed to build interactive, highly customizable visualizations, including bar, line, pie, scatter, and bubble charts. The library provides responsive charts with features such as tooltips, zooming, panning, export as images, accessibility support, and real-time updates. It supports major frameworks including React, Angular, and Vue through official wrappers, making integration into modern web apps straightforward. AG Charts comes in two editions, Community (free, MIT-licensed) and Enterprise (commercial, with additional chart types and advanced features like context menus, advanced interactions, and financial charts).Starting Price: $499 per developer -
33
Leaflet
Leaflet
Leaflet is the leading open-source JavaScript library for mobile-friendly interactive maps. Weighing just about 42 KB of JS, it has all the mapping features most developers ever need. Leaflet is designed with simplicity, performance, and usability in mind. It works efficiently across all major desktop and mobile platforms, can be extended with lots of plugins, has a beautiful, easy-to-use, and well-documented API, and a simple, readable source code that is a joy to contribute to. Leaflet doesn't try to do everything for everyone. Instead, it focuses on making the basic things work perfectly. Hardware acceleration on mobile makes it feel as smooth as native apps. Utilizing CSS3 features to make panning and zooming really smooth. Smart polyline/polygon rendering with dynamic clipping and simplification makes it very fast. The modular build system for leaving out features you don't need. Tap delay elimination on mobile.Starting Price: Free -
34
Web Survey
WebsiteGear
Remotely hosted surveys on WebsiteGear servers, real-time statistics, password protected account, web-based user interface. WYSIWYG (What You See Is What You Get) editor with built in spell checker allows to add rich survey text, or embed image or flash video into surveys without any coding expertise for HTML, Javascript or Flash. Creating a new survey is a snap. Either use one of the provided sample survey templates or copy an existing survey in your account. Sample survey templates are designed for each industry specific survey. Set the custom time-zone for recording the responses. This will provide accurate time reporting in your survey results. Select from available survey palettes to create a professional look without any extra coding. Set all text including the error messages and button texts to conform to your customized look and feel. Use your own button images to replace texts. Add your company logo to the top of each survey page.Starting Price: $10 per month -
35
Three.js
Three.js
Three.js is a JavaScript 3D library. The aim of the project is to create an easy-to-use, lightweight, cross-browser, general-purpose 3D library. The current builds only include a WebGL renderer but WebGPU (experimental), SVG and CSS3D renderers are also available in the examples. To actually be able to display anything with three.js, we need three things, scene, camera, and renderer, so that we can render the scene with the camera. In addition to the WebGLRenderer, Three.js comes with a few others, often used as fallbacks for users with older browsers or for those who don't have WebGL support for some reason. Create a loop that causes the renderer to draw the scene every time the screen is refreshed (on a typical screen this means 60 times per second). Anything you want to move or change while the app is running has to go through the animate loop. You can of course call other functions from there.Starting Price: Free -
36
MolView
MolView
MolView is an intuitive, Open-Source web application to make science and education more awesome! MolView is mainly intended as a web-based data visualization platform. You can use MolView to search through different scientific databases including compound databases, protein databases and spectral databases, and view records from these databases as interactive visualizations using WebGL and HTML5 technologies. This web application is built on top of the JavaScript libraries and online services listed below. The Virtual Model Kit has been a source of inspiration for the birth of this project.Starting Price: Free -
37
DeepWebMonitor
DeepWebMonitor
Monitor website pages for changes behind login, web forms and inside web apps. Forms, multi-step sequences, SPA and full JavaScript rendering are supported. We open websites with real browser, click on links, submit forms and perform other required actions to get to the page you need and monitor it for changes. When selected page content changes we notify you.Starting Price: Free -
38
Emotion
Emotion
Emotion is a performant, flexible CSS-in-JS library designed for writing CSS styles using JavaScript, supporting both string-based and object-based styles while delivering a strong developer experience, complete with source maps, labels, and testing utilities. It offers two powerful usage patterns; a framework-agnostic approach which requires no special configuration yet supports vendor-prefixing, nested selectors, media queries, and class composition through the CSS and CX functions; and a React-optimized variant providing advanced features like the CSS prop for direct styling (similar to the style prop but with support for nested selectors, media queries, and theming capabilities), zero-configuration server-side rendering, native theming, and compatibility with ESLint tooling. Emotion also supports styled-component-like APIs, enabling tag-based or component-based styled elements with dynamic prop-driven styling.Starting Price: Free -
39
A2UI
A2UI
A2UI is a declarative UI protocol designed to enable AI agents to generate rich, interactive user interfaces that render natively across web, mobile, and desktop environments without executing arbitrary code. Instead of relying on text-only interactions or unsafe approaches like sending HTML or JavaScript, A2UI allows agents to communicate UI intent through structured JSON messages that describe components, layouts, and data bindings, which client applications then render using their own trusted, pre-approved components. This approach separates UI generation from UI execution, ensuring that interfaces are secure, consistent with the host application’s design system, and adaptable across platforms. It is designed to be LLM-friendly, using a flat, streaming JSON structure that allows agents to incrementally build and update interfaces in real time, enabling progressive rendering and responsive user experiences.Starting Price: Free -
40
Primo
Primo Survey
Intantly create professional online surveys with our easy to use and powerful survey editor. With Primo Survey you can design stylish and complex online surveys from scratch or by customizing existing templates from our integrated templates library. You can easily change your survey look and feel with predefined or custom style and you can use a complete set of question types. Distribute your surveys using web links, emails, social media and more to collect responses in real time. We also offer you an integrated mailing system that will help you send email invitations to your respondents, track their responses and send reminder notices. The surveys you create with our software are optimized to look great both on desktop and on mobile devices or tablets. collected in real-time using our professional reporting system.Starting Price: Free -
41
InCrowd MicroSurvey
InCrowd
MicroSurvey helps you design simple surveys, bringing you faster, high-quality data. Physicians complete short, 2-5 minute surveys they want to answer in the pauses of their day. Access your data in real-time as surveys are deployed, or 24/7 through our cloud-based application. Use our robust reporting and data visualization features to see your results rendered as pie charts, donuts, or bar graphs, or download spreadsheets and vector files to use the raw data. Our strong respondent validation methodology means dozens of new member applications are rejected every month–and that our Crowd of healthcare professionals is triple-verified, highly qualified, and very engaged. Our methodology and technology come with the guarantee of high-quality data from a focused, engaged audience. As soon as a survey launches, we have both automated and human processes at work to kick out bad data, in real-time. -
42
AG Grid
AG Grid
AG Grid is a high-performance, feature-rich JavaScript Data Grid library used to display, manipulate, and interact with large tabular datasets in modern web applications, offering core features such as sorting, filtering, editing, grouping, aggregation, pivoting, pagination, and responsive performance that scales to hundreds of thousands of rows with minimal overhead. It is framework-agnostic with official support for major frameworks, including React, Angular, Vue, and plain JavaScript, while maintaining a single consistent API and zero third-party dependencies, making it simple to integrate into existing applications and customize deeply with user-defined components, theming, and modules that allow fine control over bundle size and capabilities. AG Grid is available in a free open source Community edition with essential grid functionality under the MIT license, as well as a commercial Enterprise edition that adds advanced features.Starting Price: $999 per developer -
43
Semantic UI React
Vercel
Semantic UI React is the official React integration for Semantic UI. jQuery-free, declarative API, augmentation, shorthand props, sub-components, auto controlled state. jQuery is a DOM manipulation library. It reads from and writes to the DOM. React uses a virtual DOM (a JavaScript representation of the real DOM). React only writes patch updates to the DOM, but never reads from it. It is not feasible to keep real DOM manipulations in sync with React's virtual DOM. Because of this, all jQuery functionality has been re-implemented in React. Control the rendered HTML tag, or render one component as another component. Extra props are passed to the component you are rendering as. Augmentation is powerful. You can compose component features and props without adding extra nested components. Shorthand props generate markup for you, making many use cases a breeze. All object props are spread on the child components.Starting Price: Free -
44
Helidon
Helidon
Helidon is a cloud-native, open‑source set of Java libraries for writing microservices that run on a fast web core powered by Netty. Helidon Níma is the first Java microservices framework based on virtual threads. Helidon is designed to be simple to use, with tooling and examples to get you going quickly. Since Helidon is simply a collection of Java libraries running on a fast Netty core, there is no extra overhead or bloat. Helidon supports MicroProfile and provides familiar APIs like JAX-RS, CDI, and JSON-P/B. Our implementation runs on our fast Helidon Reactive WebServer. Helidon Reactive WebServer provides a modern functional programming model and runs on top of Netty. Lightweight, flexible, and reactive, the Helidon WebServer provides a simple-to-use and fast foundation for your microservices. With support for health checks, metrics, tracing, and fault tolerance, Helidon has what you need to write cloud-ready applications that integrate with Prometheus, Jaeger/Zipkin, etc.Starting Price: Free -
45
SvelteKit
SvelteKit
SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. It addresses common development challenges by providing solutions for routing, server-side rendering, data fetching, service workers, TypeScript integration, and more. SvelteKit apps are server-rendered by default, offering excellent first-load performance and SEO benefits, but can transition to client-side navigation to enhance user experience. The framework is designed to grow with developers, allowing them to start simple and add new features as needed. SvelteKit leverages Vite for a fast and feature-rich development experience, including hot module replacement. In short, Svelte is a way of writing user interface components, like a navigation bar, comment section, or contact form, that users see and interact with in their browsers. The Svelte compiler converts your components to JavaScript that can be run to render the HTML for the page and to CSS that styles the page.Starting Price: Free -
46
99inbound
99Inbound
Build forms and share them online. Get an email or Slack message for each submission. Build a form without writing any code using our visual form builder. Use our drag-and-drop form creation interface to build the perfect form, add branding, and customize workflows. Easily change form styles. Share directly or embed in your website. Connect third party apps. Automated spam-filtering. Connect an existing form to 99Inbound with our form endpoint API. A robust form backend for your existing forms. No iframes or JavaScript libraries required. Perfect for developers and designers. Built-in spam filtering. Field auto-detection. Connect third party apps. Optional JSON API. Use the 99Inbound form builder or form endpoint API to easily create a form. Add the form to your website or share a direct link. Link your form to apps like Slack and Mailchimp in just a few clicks. Receive notifications by email, or view them right in the app.Starting Price: $7 per month -
47
Feedback Server
Data Illusion
Design, distribute, collect, and analyze surveys with ease by leveraging Feedback Server. Simple and easy-to-use, Feedback Server by Data Illusion enables you to create visually stunning surveys in just a second using static fields and/or dynamic data bound types such as XML and SQL or by integrating as an in-house asp.net survey software. Professional features include panel management, matrix questions, CRM solution, active directory, multi-languages surveys, data export, branching, free form builder, data reporting, and so much more.Starting Price: $1999.00/one-time -
48
Parsley
Parsley
Parsley, the ultimate JavaScript form validation library. Validating frontend forms has never been so powerful and easy. Like no other form validation library, simply write in English your requirements inside your form HTML tags, Parsley will do the rest! No need to write even a single JavaScript line for simple form validation. Parsley is now smarter, it automatically detects your forms' modifications and adapts its validation accordingly. Simply add, remove or edit fields, Parsley validation will follow! Parsley is shipped with more than a dozen useful validators. If not enough, use the awesome Parsley extra Ajax validator or tons of other extended validators provided by the community. Parsley strongly focuses on UI and UX. Override almost every Parsley default behavior to fit your exact needs. Still ships almost bug-free. Parsley is strongly tested and aims to work on every browser (including IE8).Starting Price: Free -
49
Brizy
Brizy
The most user-friendly website builder in town. No designer or developer skills required! No more disjointed experiences, create everything visually, right in front of your eyes. Arrange and move anything you see on screen with a simple motion of your cursor. Brizy is built on React, the open-source JavaScript library developed by Facebook. This is the go-to technology for UI. Forms, Sliders & Tabs are just a few of the premium tools included in the Free version. You might want to begin with a blank page and let your imagination guide you, but if that’s a little too intimidating, just start off with one of our beautiful pre-designed pages, blocks and pop-ups, all part of our easy website builder. -
50
Survey Galaxy
Survey Galaxy
Surveys are created and designed using the Survey Galaxy survey Composer facility. On the left of the composer screen a toolbox of menu options displays an index of survey items for easy navigation. On the right of composer screen is the Preview Pane where the current survey's configuration is displayed showing how the survey will look to a respondent. The composer's toolbox options allow new survey items to be created at the end of the survey, or inserted at any point within a survey, by selecting a survey item in the index existing items can be edited, moved or deleted. Surveys can be enhanced by including HTML code allowing hyperlinks that can then reference other information. Page breaks can be set automatically or manually, the default is to not number the questions on a published survey but if required then numbering can be set manually or applied automatically. By setting the Preview Pane mode, you can change the survey style.Starting Price: $30 per month
