Sign GitHub Repositories (2026) · Open Source Tools

The Official Docusign C# Client Library used to interact with the eSignature REST API. Send, sign, and approve documents using this client.

BioDynaMo is a high-performance and modular, agent-based simulation platform.

Carbon Design System SVG pictograms as Svelte components

Security library for Vert.x: OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...

A simple and powerful entity component system (ECS) written in C++17

A universal converter for singing voice projects which is cross-platform and multi-lingual

Framework for Evolutionary Message-Driven Microservices on the JVM

ACT hardware description language and core tools.

The Chemical Data Processing Toolkit

PDF Rendering and Viewing API in Java

RAD tool used to create and maintain wxWidgets UI elements.

🔑 Second factor provider using an external messaging gateway (Signal, SMS, Telegram, WhatsApp and XMPP)

A Claude Code skill to make motion design videos in pure code: HTML + Playwright + ffmpeg. No After Effects, no Remotion license.

A lightweight desktop IDE for editing and running MATLAB .m scripts and Simulink .slx models, with visual editing, plots, parameter sweeps, and AI assistance.

A macOS GUI app for designing and building custom DMG disk images

A Python library for 'bitcoin cryptography'

CIDRAM: Classless Inter-Domain Routing Access Manager.

Digital Design Equivalence Checking

TiXL is an open source software to create realtime motion graphics.

Build your design system in React, Solid, Vue, Svelte or Vanilla. Powered by finite state machines