Top FRAMEWORK GitHub Repositories & Tools (2026)

The modular web framework for Java and Kotlin

Fast, cross-platform and reliable multipart downloader with asynchronous progress events for .NET applications.

Bub it. Build it. A tiny agent runtime, composable with plugins.

The modern email development framework.

Sming - powerful open source framework simplifying the creation of embedded C++ applications.

tirreno is a security framework. Detect cyberfraud, account takeovers, and business logic abuse inside your product.

Virtualized Elastic KV Cache for Dynamic GPU Sharing and Beyond

Open-source realtime voice agent server in Go with WebRTC (WHIP), barge-in, streaming STT/LLM/TTS pipelines, plugin system, multi-language SDKs, SIP telephony, ESP32 support & fully local mode.

Open-source room for humans + cross-vendor AI agents. Every agent gets its own name, memory, skills, and workstation. Any runtime, your infra — no per-agent fees.

Real-time multi-physics simulation with an emphasis on medical simulation.

The most Token-efficient open-source AI Agent

A Bash CLI framework, also a Bash command runner.

A library that creates fully populated objects for your unit tests.

Apache OFBiz is an open source product for the automation of enterprise processes. It includes framework components and business applications for ERP, CRM, E-Business/E-Commerce, Supply Chain Management and Manufacturing Resource Planning. OFBiz provides a foundation and starting point for reliable, secure and scalable enterprise solutions.

AI-powered penetration testing assistant for automating recon, note-taking, and vulnerability analysis.

A networking framework that evolves with your application

Nitrogen Web Framework for Erlang (now with websockets!)

A Discord API wrapper for Python and asyncio built on good intentions.

A flexible, elegant, fast and easy-to-use content management system written in PHP.

True Object-Oriented Java Web Framework without NULLs, Static Methods, Annotations, and Mutable Objects