Showing 86 open source projects for "digital signature"

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    Turn traffic into pipeline and prospects into customers

    For account executives and sales engineers looking for a solution to manage their insights and sales data

    Docket is an AI-powered sales enablement platform designed to unify go-to-market (GTM) data through its proprietary Sales Knowledge Lake™ and activate it with intelligent AI agents. The platform helps marketing teams increase pipeline generation by 15% by engaging website visitors in human-like conversations and qualifying leads. For sales teams, Docket improves seller efficiency by 33% by providing instant product knowledge, retrieving collateral, and creating personalized documents. Built for GTM teams, Docket integrates with over 100 tools across the revenue tech stack and offers enterprise-grade security with SOC 2 Type II, GDPR, and ISO 27001 compliance. Customers report improved win rates, shorter sales cycles, and dramatically reduced response times. Docket’s scalable, accurate, and fast AI agents deliver reliable answers with confidence scores, empowering teams to close deals faster.
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  • The full-stack observability platform that protects your dataLayer, tags and conversion data Icon
    The full-stack observability platform that protects your dataLayer, tags and conversion data

    Stop losing revenue to bad data today. and protect your marketing data with Code-Cube.io.

    Code-Cube.io detects issues instantly, alerts you in real time and helps you resolve them fast. No manual QA. No unreliable data. Just data you can trust and act on.
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  • 1
    LibreSign

    LibreSign

    Nextcloud app to sign PDF documents

    Simplify your digital signatures and document management safely and efficiently. Beyond offering agility and security in digital signatures and document management, LibreSign features functionalities that adapt to the specific needs of your organization. Keep your documents secure with end-to-end encryption and multi-factor authentication, ensuring protection throughout the electronic document signing process. Hybrid signatures streamline negotiation processes, offering flexibility in...
    Downloads: 6 This Week
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  • 2
    DSS

    DSS

    Creation, extension and validation of advanced electronic signatures

    Digital Signature Service, creation, extension, and validation of advanced electronic signatures.
    Downloads: 2 This Week
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  • 3
    libsodium

    libsodium

    A modern, portable, easy to use crypto library

    ...It enhances the original design with build and portability improvements, making it widely deployable across platforms for secure encryption, signatures, hashing, and key derivation. Digital signature creation and verification support. Adds extended cryptographic primitives like BLAKE2 and ChaCha20-Poly1305 beyond NaCl.
    Downloads: 14 This Week
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  • 4
    DocuSeal

    DocuSeal

    Open source DocuSign alternative

    Open source document filling and signing. DocuSeal is an open-source platform that provides secure and efficient digital document signing and processing. Create PDF forms to have them filled and signed online on any device with an easy-to-use, mobile-optimized web tool. Use embeddable code snippets to seamlessly implement the document signing workflows directly on your website or app. Build fillable document forms using our pixel-perfect HTML API, reducing the time for creating personalized...
    Downloads: 8 This Week
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  • Data management solutions for confident marketing Icon
    Data management solutions for confident marketing

    For companies wanting a complete Data Management solution that is native to Salesforce

    Verify, deduplicate, manipulate, and assign records automatically to keep your CRM data accurate, complete, and ready for business.
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  • 5
    Detect It Easy

    Detect It Easy

    Program for determining types of files for Windows, Linux and MacOS

    ...The tool offers both a graphical user interface as well as a command-line interface, allowing flexible use across environments (desktop, servers, automation). Its detection engine is signature-based, but also includes heuristics that help when signatures are missing or obfuscated. This helps when analyzing packed, compressed, or partially corrupted files.
    Downloads: 255 This Week
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  • 6
    PDF Digital Signature is a lightweight, user-friendly freeware application designed to help you securely add digital signatures to your PDF documents. Whether you need to sign contracts, agreements, or any other PDF files, this tool offers a simple solution for easily digitally signing your documents. With PDF Digital Signature, you can ensure the integrity and authenticity of your PDF files by digitally signing them using industry-standard encryption and signature algorithms. ...
    Downloads: 0 This Week
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  • 7
    Digital Signer (a PDF Signing software)

    Digital Signer (a PDF Signing software)

    Digital Signature & eSigning software. Bulk PDF signing. Sign all Page

    ...Key Features Sign PDFs with Hardware Devices: Ensuring the highest level of security. Digital Signature Certificates (DSC): Apply digital signatures using DSCs, Smart Cards, providing a secure and legally binding way to authenticate your documents. Your Privacy, Our Priority Protect Your Data with Complete Confidence. Our software is designed to keep your information 100% secure. Unlike cloud-based solutions, there’s no need to share your private or confidential files with unknown servers. ...
    Downloads: 46 This Week
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  • 8
    GnuPG

    GnuPG

    Complete and free implementation of the OpenPGP standard

    GnuPG (GNU Privacy Guard) is a widely used free software encryption system that implements the OpenPGP standard to provide secure communication and data protection across multiple platforms. It uses a hybrid cryptographic approach combining symmetric encryption for performance with public-key cryptography for secure key exchange and identity verification. The software allows users to encrypt files and messages, create digital signatures, and manage cryptographic keys, making it a...
    Downloads: 13 This Week
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  • 9
    Malware Patch

    Malware Patch

    Prevent UAC authorization of Chinese malware

    Prevent UAC authorization of Chinese malware, no need to run in the background. Project inspired by Windows apps that amaze us. The selected program must be signed because this app uses its digital signature to identify the program.
    Downloads: 2 This Week
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  • The Most Powerful Software Platform for EHSQ and ESG Management Icon
    The Most Powerful Software Platform for EHSQ and ESG Management

    Addresses the needs of small businesses and large global organizations with thousands of users in multiple locations.

    Choose from a complete set of software solutions across EHSQ that address all aspects of top performing Environmental, Health and Safety, and Quality management programs.
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  • 10
    Minisign

    Minisign

    A dead simple tool to sign files and verify digital signatures

    Minisign is a lightweight command-line utility designed for generating and verifying digital signatures with a strong focus on simplicity, security, and portability. It uses the modern Ed25519 public-key cryptographic system to produce fast and compact signatures, making it well-suited for software distribution and file integrity verification. The tool is intentionally minimalistic, performing a single task efficiently without unnecessary complexity, which makes it easy to integrate into...
    Downloads: 12 This Week
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  • 11
    LibPDF

    LibPDF

    A modern PDF library for TypeScript

    ...Unlike many existing JavaScript PDF libraries, it emphasizes lenient parsing that can gracefully handle malformed structures and fallback strategies where typical parsers fail, making it useful for production environments that encounter unpredictable file formats. The library offers full read and write manipulation, including support for encryption with RC4 and modern AES cipher suites, form filling and flattening, digital signature creation and verification, page merging/splitting, rich text extraction with layout information, and font embedding with subsetting.
    Downloads: 7 This Week
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  • 12
    Gnosis Safe Contracts

    Gnosis Safe Contracts

    Gnosis Safe allows secure management of blockchain assets

    The most trusted platform to manage digital assets on Ethereum. Access the most recent version of the Safe directly in your browser. Download the Safe as a static desktop application for Windows, MacOS or Linux. Conveniently manage your digital assets on the go. Fully customize how you manage your company crypto assets, with the option to require a predefined number of signatures to confirm transactions. Require multiple team members to confirm every transaction in order to execute it, which...
    Downloads: 4 This Week
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  • 13
    Libplanet

    Libplanet

    Blockchain in C#/.NET for on-chain, decentralized gaming

    Libplanet is a .NET library for creating multiplayer online game in decentralized fashion, which means the whole gameplay occurs on a peer-to-peer network among equal nodes rather than an authorized central server. Under the hood, it incorporates many features (e.g., digital signature, BFT consensus, data replication) of a blockchain.
    Downloads: 19 This Week
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  • 14
    GopenPGP V3

    GopenPGP V3

    A high-level OpenPGP library

    GopenPGP V3 is a high-level OpenPGP cryptographic library developed by ProtonMail that provides a user-friendly API for common encryption and signing operations in Go, abstracting the complexity of the underlying OpenPGP standards and golang crypto primitives. This library lets developers perform key generation, message encryption and decryption, digital signing, and signature verification with straightforward functions that hide much of the boilerplate and nuance typically required when working directly with OpenPGP implementations. Built on top of a forked version of the Go crypto library, gopenpgp supports current OpenPGP RFC standards and includes examples for working with password-based encryption and PGP keys, as well as detached and inline signatures. ...
    Downloads: 0 This Week
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  • 15
    PDF4QT

    PDF4QT

    Open source PDF editor

    PDF4QT is open source PDF editor based on Qt framework. It contains a C++ library, applications for viewing/editing PDF documents, and a command line tool. PDF4QT is an open-source PDF editor for Windows/Linux. It is a modern solution for viewing/editing/rendering PDF documents, for users and developers alike. For developers, there is a C++ library and a command line tool for use in scripts. For users, there are four applications offering many features. The project is hosted on Github and...
    Downloads: 71 This Week
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  • 16
    This project is devoted to provide a simple software layer for digital signature, when an hardware cryptographic token is required. The default implementation tries to comply as strictly as possible with the italian law digital signature directives.
    Downloads: 5 This Week
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  • 17
    OpenSign

    OpenSign

    🔥 The free & Open Source DocuSign alternative

    The premier open source document signing solution (DocuSign alternative). Welcome to OpenSign, the premier open source docusign alternative - document e-signing solution designed to provide a secure, reliable and free alternative to commercial esign platforms like DocuSign, PandaDoc, SignNow, Adobe Sign, Smartwaiver, SignRequest, HelloSign & Zoho sign. Our mission is to democratize the document signing process, making it accessible and straightforward for everyone.
    Downloads: 6 This Week
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  • 18
    ESignPDF

    ESignPDF

    Sign PDF with Digital Signature Certificate

    ...endpoint=zulu&uuid=f0851b11-f391-43b0-ae80-4a29f9cc8c9f -> Download ESignPDF jar file -> Double click on downloaded file -> Follow displayed instructions -> Get signed PDF You can request to concerned certificate authority for obtaining Digital Signature Certificate ( DSC ) file despite of USB token if you have any query, then mail me at parvesh.garg@outlook.com
    Downloads: 4 This Week
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  • 19
    EDGE Toolkit

    EDGE Toolkit

    Cross-platform Integrated Security Suite written in Go

    Multi-purpose cross-platform hybrid cryptography tool for symmetric and asymmetric encryption, cipher-based message authentication code (CMAC/PMAC/GMAC/VMAC), recursive hash digest, hash-based message authentication code (HMAC), HMAC-based key derivation function (HKDF), password-based key derivation function (PBKDF2/Argon2/Scrypt), password-hashing scheme (Bcrypt/Argon2/Makwa), shared key agreement (ECDH/VKO/X25519), digital signature (RSA/ECDSA/EdDSA/GOST/SPHINCS+), X.509 CSRs, CRLs and Certificates, and TCP instant server with TLS 1.3 and TLCP encryption layers for small or embedded systems.
    Downloads: 1 This Week
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  • 20
    eMark

    eMark

    Free and open-source PDF signing and verification application.

    eMark is a free and open-source PDF signing and verification application – a powerful Adobe Reader alternative that enables you to securely sign, verify, timestamp, and protect PDF documents using: 🔑 USB tokens and HSM (PKCS#11) 📜 PKCS#12/PFX certificates 💻 Windows certificate store Works seamlessly on Windows, Linux, and macOS with an Adobe Reader-like interface featuring professional signature verification capabilities. Built for individuals, enterprises, and government...
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    Downloads: 0 This Week
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  • 21
    p7s-universal-viewer

    p7s-universal-viewer

    Free P7S Viewer for Windows - Open and extract .p7s files easily

    ...Many users struggle to open .p7s files because they are digitally signed containers used in email systems and official documents. This tool makes the process simple and accessible for everyone. Key features: - Open .p7s files instantly - View signature details (issuer, subject, timestamp) - Extract embedded files (PDF, XML, images, documents) - Simple and lightweight interface - No technical knowledge required This tool is ideal for users who receive signed email attachments or work with digital signatures and need a fast and easy way to access the real content inside .p7s files. ...
    Downloads: 25 This Week
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  • 22
    Metronomek

    Metronomek

    Digital metronome that tries to be analogue

    Trivial looking metronome with natural sounds and 'classical' approach.
    Downloads: 20 This Week
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  • 23
    key-elf

    key-elf

    Forensic tool to recover lost BTC private keys.

    ...If you accidentally deleted your Bitcoin Core wallet or formatted your disk, this tool can help. It bypasses the file system and scans the raw data directly, looking for the unique "fingerprint" (ASN.1 signature) of Bitcoin private keys to recover them from the digital wreckage.The Graphical User Interface (GUI) is the advanced/premium version. If needed, please visit: https://gitlab.com/8891689/key-elf
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    Downloads: 27 This Week
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  • 24
    OpenKM Document Management - DMS

    OpenKM Document Management - DMS

    Document Management System and Content Management System

    OpenKM Community Edition is a free Document Management System (DMS) that helps businesses control the production, storage, management and distribution of electronic documents, boosting effectiveness and productivity. It integrates document management, collaboration and advanced search into one easy-to-use solution, including administration tools for user roles, access control, security levels, activity logs and automation setup. With OpenKM Community Edition you can: Collect information...
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    Downloads: 465 This Week
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  • 25
    mendelson OFTP2

    mendelson OFTP2

    Implementation of the OFTP2 protocol (RFC 5024)

    The mendelson OFTP2 is a JAVA-based open source OFTP2 solution. It contains a logging- and configuration UI and supports encryption, digital signatures, message compression, TLS, certificate exchange, message routing, mail notification
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    Downloads: 37 This Week
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