Top GPT GitHub Repositories & Tools (2026)

Langflow is a powerful tool for building and deploying AI-powered agents and workflows.

RikkaHub is an Android APP that supports for multiple LLM providers.

Stateful agents that are like people, with memory, identity, and the ability to learn and adapt

🤱🏻 Turn any webpage into a desktop app with one command.

A programming framework for agentic AI

[EMNLP2025] LightRAG: Simple and Fast Retrieval-Augmented Generation

An agent organization structured as a company — 15+ departments, 125+ skills, each independently installable, citing the standards and regulators that settle the question. Runs in Claude Code and ChatGPT.

Automate browser based workflows with AI

Compile and run CUDA on Apple M4-M5 GPUs

A Windows share target for bringing WeChat chat archives to ChatGPT.

Customer-run client for Secure MCP Tunnel: connect private or localhost MCP servers to ChatGPT, Codex, the Responses API, and AgentKit without exposing them to the public internet.

Open-source super AI assistant & Agent Harness. Plans tasks, runs tools and skills, self-evolves with memory and knowledge. Multi-agent, multi-model, multi-channel. Lightweight, extensible, one-line install.

Cross-platform local MCP capabilities for ChatGPT with Chrome integration, Goal, Compact & Resume, and durable multi-agent workflows.

A completely free open-sourced project designed to humanize AI-generated text through a multilingual LLM-powered rewriting pipeline.

An AI-powered research assistant that performs iterative, deep research on any topic by combining search engines, web scraping, and large language models. The goal of this repo is to provide the simplest implementation of a deep research agent - e.g. an agent that can refine its research direction overtime and deep dive into a topic.

✨ Zero-config AI chat assistant. No API key needed — sign up and instantly chat with GPT-5, Claude 4, Gemini 2.5, DeepSeek & 100+ top models. Pay-as-you-go saves you more. Available on Web, iOS, macOS, Android, Linux, Windows.

Unofficial ChatGPT desktop app for Linux (formerly the Codex app), built locally from OpenAI’s official macOS app. Includes Chat, Work, and Codex. Packages for Debian/Ubuntu (.deb), Fedora/openSUSE (.rpm), Arch (pacman), Nix/NixOS, and AppImage, with Wayland and X11 support.

lnwjud — local AI-agent runtime & MCP gateway

🚀 Pytorch Distributed native training library for LLMs/VLMs with OOTB Hugging Face support

AI automation skills specifically designed for Unity