Showing 820 open source projects for "simple java project"

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    EasySend is a no-code platform that transforms customer journeys

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    PairSoft | AP Automation and Doc Management

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  • 1
    simple-java-maven-app

    simple-java-maven-app

    For an introductory tutorial on how to use Jenkins

    simple-java-maven-app is a reference repository created for the Jenkins tutorial on building a Java application with Maven. It contains a minimal Java program that prints “Hello world!” and includes unit tests to validate functionality, with test results exported in JUnit XML format. The repository provides an example that demonstrates how to configure a Jenkins Pipeline for building and delivering applications.
    Downloads: 4 This Week
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  • 2
    DSA Bootcamp Java

    DSA Bootcamp Java

    This repository consists of the code samples, assignments, and notes

    DSA Bootcamp Java is an open source educational repository created by Kunal Kushwaha to teach Data Structures and Algorithms (DSA) using Java. It is designed as a structured bootcamp, covering fundamental concepts to advanced problem-solving techniques. The project provides explanations, exercises, assignments, and practice problems, making it useful for both beginners and intermediate learners who want to strengthen their Java and algorithmic skills. ...
    Downloads: 2 This Week
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  • 3
    Quran for Android

    Quran for Android

    A Quran reading application for Android

    Quran for Android is a simple, open source Quran application for Android devices. It is based on Madani and features Madani images, Qaloon images and Naskh images all used with permission. It also has translations, Tafsir and Arabic data from tanzil and King Saud University. This project offers plenty of great features, with many more under development. Current features include translations in many different languages (Arabic Tafseer, English Sahih International Translation, French, German, Indonesian, Malay, Spanish, among others), bookmarking and tagging, audio recitation and more.
    Downloads: 3 This Week
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  • 4
    Source Code Hunter

    Source Code Hunter

    Source code analysis of Spring, MyBatis, Redis, Netty, and more

    Source Code Hunter is an open source project by Doocs that focuses on analyzing and explaining the source code of widely used Java frameworks and libraries. It helps developers deepen their understanding of internal implementations, design patterns, and performance optimizations by walking through actual codebases such as Spring, MyBatis, Netty, Tomcat, and others. The project aims to bridge the gap between theoretical knowledge and real-world application by providing step-by-step annotated explorations of core components in these frameworks. ...
    Downloads: 1 This Week
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  • More Bookings. Better Experience. Icon
    More Bookings. Better Experience.

    For tour and activity providers

    The all-in-one solution built to help you stay organised and get more bookings with thousands of connections to online travel agencies (OTAs), resellers and suppliers.
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  • 5
    Interviews

    Interviews

    Comprehensive computer science and interview preparation guide

    Interviews is an open source repository designed as a comprehensive guide to preparing for technical interviews, with a strong focus on computer science fundamentals and algorithmic problem solving. Created by Kevin Naughton Jr., the project compiles detailed notes, explanations, and code implementations that cover core areas tested in software engineering interviews. The repository emphasizes topics such as data structures, algorithms, system design, operating systems, databases, and...
    Downloads: 2 This Week
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  • 6
    Dict UK

    Dict UK

    Project to generate POS tag dictionary for Ukrainian language

    A Java-based tool for generating full morphological dictionaries for Ukrainian, applying affix rules to base lexemes to produce all inflected forms with part-of-speech tags—used for natural language processing and spell-checking.
    Downloads: 4 This Week
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  • 7
    OpenMAIC

    OpenMAIC

    Open Multi-Agent Interactive Classroom

    ...It is designed around coordinated AI roles, including teacher-like and classmate-like agents that can present information, respond in real time, and participate in live educational dialogue. The platform generates multiple learning scenes rather than a single static output, including slides, quizzes, interactive simulations, and project-based activities, which makes it feel closer to a guided lesson than a simple content generator. It also supports whiteboard-style visual explanation and text-to-speech delivery, allowing agents to draw, explain formulas, and speak aloud during instruction. OpenMAIC is built for flexible deployment, with support for direct use through its web experience as well as integration with OpenClaw so classrooms can be generated from messaging platforms such as Slack, Telegram, and Feishu.
    Downloads: 8 This Week
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  • 8
    os-tutorial

    os-tutorial

    How to create an OS from scratch

    os-tutorial is an open source educational project by cfenollosa that teaches the basics of building an operating system from scratch. The repository provides step-by-step lessons starting with bootloaders and moving through kernel development, interrupts, memory management, and system calls. Each tutorial is accompanied by clear explanations, code examples, and references to deepen understanding. The project uses x86 assembly and C to illustrate concepts, making it accessible to students and...
    Downloads: 3 This Week
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  • 9
    IK Analysis for Elasticsearch

    IK Analysis for Elasticsearch

    A plugin that integrates Lucene IK analyzer into elasticsearch

    IK Analyzer is an open source, lightweight Chinese word segmentation toolkit developed based on java language. Since the release of version 1.0 in December 2006, IKAnalyzer has launched 4 major versions. Initially, it was a Chinese word segmentation component based on the open source project Luence as the main application, combined with dictionary word segmentation and grammar analysis algorithms. Starting from version 3.0, IK has developed into a common word segmentation component for Java, independent of the Lucene project, and at the same time provides a default optimized implementation of Lucene. ...
    Downloads: 0 This Week
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    Complete Data Management for Nonprofits

    Designed to fit with multi-level non-profit organization, across any sector

    NewOrg is a robust platform built with enhanced features to help non-profit organizations that capture and integrate the information from all of their operational areas to better manage volunteers, clients, programs, outcome reporting, activity sign-ups & scheduling, communications, surveys, fundraising activities and Development campaigns. NewOrg can truly deliver an intuitive product that will help manage your Committees, Donors, Events, and Memberships so that the organization runs efficiently.
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  • 10
    TEAMMATES Developer Web Site

    TEAMMATES Developer Web Site

    This is the project website for the TEAMMATES feedback management tool

    TEAMMATES is a free online tool for managing peer evaluations and other feedback paths of your students. It is provided as a cloud-based service for educators/students and is currently used by hundreds of universities across the world.
    Downloads: 1 This Week
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  • 11
    eLabFTW

    eLabFTW

    Open source electronic lab notebook for research labs

    ...Designed for scientific environments, the software provides a secure, browser-accessible platform where users can log protocols, results, and observations in structured records that replace traditional paper notebooks. Beyond simple experiment journaling, eLabFTW includes an inventory database for tracking lab materials, reagents, and equipment, making it a versatile tool for laboratory management. It also supports collaboration across teams, enabling multiple users to access shared records and streamline project workflows. The software features advanced search, tagging, timestamping, and export tools, which are essential for reproducibility and long-term project tracking.
    Downloads: 2 This Week
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  • 12
    Wenku8 Android
    Light Novel Library (Wenku8.com) A third-party public welfare app, a Material Design-styled light novel reader, with no ads, no earnings, and the smallest installation package on the market, which started in 2014. If you want to use search and favorites functions, please log in first. This app is completely open source. Started in 2014 with Material Design style, no ads, no profit, light novel reader with the smallest installation package on Google Play . At present, in addition to the API...
    Downloads: 3 This Week
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  • 13

    Java Tutorial

    A Java Tutorial by examples

    Learn Java by writing real and usefull small applications. This tutorial teach you not only the language; documentation, bug-fixing and simple version control are also faced. The tutorial is in italian language.
    Downloads: 0 This Week
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  • 14
    nanoGPT

    nanoGPT

    The simplest, fastest repository for training/finetuning models

    ...It emphasizes readability and clarity: the training loop is cleanly written, and the code avoids heavy abstractions, letting students follow the architecture step by step. While simple, it can still train non-trivial models on modern GPUs and generate coherent text. The project has become widely used in tutorials, courses, and experiments for people learning how transformers work under the hood.
    Downloads: 6 This Week
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  • 15
    Ray Tracing in One Weekend Book Series

    Ray Tracing in One Weekend Book Series

    The Ray Tracing in One Weekend series of books

    ...This means that they are as close to public domain as we can get. (While that also frees you from the requirement of providing attribution, it would help the overall project if you could point back to this web site as a service to other users.) These books are formatted for printing directly from your browser, where you can also (on most browsers) save them as PDF. In Ray Tracing in One Weekend, you will build a simple brute-force path tracer. Continuing with Ray Tracing: The Next Week, you will add textures, volumes (like fog), rectangles, instances, lights, and support for lots of objects using a bounding volume hierarchy (BVH). ...
    Downloads: 10 This Week
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  • 16
    Qualify

    Qualify

    Claude code to help you do lead research and qualification

    ...Built with simplicity and extensibility in mind, the project includes REST APIs, database models, and a user interface that can be extended or embedded into existing internal systems. Because it prioritizes lean data structures and predictable code paths, developers can customize pipelines, fields, and behaviors to align with their unique business logic.
    Downloads: 0 This Week
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  • 17
    CodeWorld

    CodeWorld

    Educational computer programming environment using Haskell

    CodeWorld is an educational programming environment that uses a Haskell-inspired language to teach computational thinking through graphics and interactive animation. The web-based IDE provides immediate visual feedback: students write code that draws shapes, composes pictures, and responds to events to build simple games and simulations. Its API emphasizes mathematics and geometry rather than low-level UI details, making it approachable for classrooms and self-learners. Projects run in the browser, leveraging a compiler pipeline that turns the high-level code into JavaScript so no installation is required. The platform includes project management, sharing, and classroom features so instructors can distribute examples and students can submit work. ...
    Downloads: 0 This Week
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  • 18
    English-level-up-tips

    English-level-up-tips

    An advanced guide to learn English which might benefit you a lot

    English-level-up-tips is a comprehensive open-source guide designed to help learners improve their English language skills across a broad range of competencies, from vocabulary and grammar to listening, speaking, reading, and writing. Structured as a language learning tutorial, the project aggregates tips, strategies, explanations, and resources that go beyond simple phrase lists, encouraging learners to develop a deep understanding of how English works and how to use it effectively. The repository includes structured sections that address different skill areas with lessons, exercises, and recommended approaches tailored to learners at various stages of proficiency. ...
    Downloads: 1 This Week
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  • 19
    Litmus

    Litmus

    Litmus helps SREs and developers practice chaos engineering

    LitmusChaos is an open source Chaos Engineering platform that enables teams to identify weaknesses & potential outages in infrastructures by inducing chaos tests in a controlled way. Developers & SREs can practice Chaos Engineering with Litmus as it is easy to use, based on modern chaos engineering principles & community collaboration. It is 100% open source & a CNCF project. Litmus takes a cloud-native approach to create, manage and monitor chaos. The platform itself runs as a set of...
    Downloads: 2 This Week
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  • 20
    Mall Learning

    Mall Learning

    Tutorial and sample-code repository

    mall-learning is a tutorial and sample-code repository that explores an entire e-commerce system architecture from backend to frontend. The associated “mall” project (with tens of thousands of stars) is an open-source full-stack e-commerce platform built with Spring Boot, MyBatis, Elasticsearch, RabbitMQ, Redis, MongoDB, MySQL and containerized via Docker. The learning repository breaks down architecture, business modules (products, orders, marketing, members), deployment (Linux, Docker,...
    Downloads: 0 This Week
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  • 21
    rustlings

    rustlings

    Small exercises to get you used to reading and writing Rust code

    This project contains small exercises to get you used to reading and writing Rust code. This includes reading and responding to compiler messages! Alternatively, for a first-time Rust learner, there are several other resources, like The Book, which is the most comprehensive resource for learning Rust, but a bit theoretical sometimes. You will be using this along with Rustlings!
    Downloads: 0 This Week
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  • 22
    Java Modelling Tools is a suite of scientific tools for performance analysis and modelling using queueing theory and colored stochastic Petri nets. Models are solved either with analytical, asymptotic or simulation methods; workload characterization tools are also included in the suite. See the project website for more details: http://jmt.sf.net
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    Downloads: 104 This Week
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  • 23
    The Linux Schools Project
    A server operating system designed for schools, providing a simple graphical interface for easy installation and maintenance of your network. Also available is a client version that intergrates completely with the server.
    Downloads: 23 This Week
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  • 24
    Simple Russian Typing Trainer

    Simple Russian Typing Trainer

    A simple program to train to type in Russian.

    A simple trainer for those who already can type with ten fingers and want to learn to type in Russian language on their own keyboards. You do not need a real russian keyboard on your computer. See how-to-use-file. In case of needing help, bug report or translation mistakes, please use the forum here on sourceforge.net or join the Telegram group: https://t.me/+L2vWRB1tuuw3ZjMy
    Downloads: 3 This Week
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  • 25
    Spindle

    Spindle

    The language used in the AP CSP Exam, now a programming language!

    Spindle is a simple language designed to help AP CSP students ace their AP Exam. Spindle code largely mirrors the code found in the AP CSP Reference Sheet and allows students and teachers to get comfortable with code in the same format it'll have on exam day.
    Downloads: 0 This Week
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