Top FRAMEWORK GitHub Repositories & Tools (2026)

The Open Framework for Building Agents

An open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.

LlamaIndex is the document processing platform for AI

Unbounded context. Memory that manages itself. One session, for life. The hippocampus for coding agents, part of CortexKit.

A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀

Open Source eCommerce & Multi-Vendor Marketplace Platform Built with Laravel for Enterprise-Scale Commerce, Supporting 10M+ SKUs

🌼 🌼 🌼 🌼 🌼  The most popular, free and open-source Tailwind CSS component library

Open Source Platform for DTC, B2B Commerce, Marketplaces & Omnichannel. REST APIs, TypeScript SDKs, and production-ready Next.js storefront. Self-host it. Own your data. No vendor lock-in. Zero platform fees.

VLC media player - plays everything, runs anywhere. Code here: https://code.videolan.org/videolan/vlc

The Ruby-native AI framework. Chats, agents, tools, images, audio, and video through one consistent API, in plain Ruby or Rails.

Low code web framework for real world applications, in Python and Javascript

Fast and low overhead web framework, for Node.js

Gin is a high-performance HTTP web framework written in Go. It provides a Martini-like API but with significantly better performance—up to 40 times faster—thanks to httprouter. Gin is designed for building REST APIs, web applications, and microservices.

Open Source HR and Payroll Software

A framework for building native applications using React

This is the repo for Vue 2. For Vue 3, go to https://github.com/vuejs/core

Open-source IoT Platform - Device management, data collection, processing and visualization.

Audio Plugin for Audio to MIDI transcription using deep learning.

Agent framework for the JVM. Pronounced Em-BAY-bel /ɛmˈbeɪbəl/

Microsoft Fluent UI Blazor components library. For use with ASP.NET Core Blazor applications