ChatGPT GitHub Repositories (2026) · Open Source Tools

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

The Memory Layer for AI Agents - Drop-in memory infrastructure for AI agents and apps. Context that persists. Built for production.

🙌 OpenHands: AI-Driven Development

SDK for Frontier Embedded Agents.

Universal provider proxy for OpenAI Codex & Claude Code — use any LLM (Claude, Gemini, Grok, DeepSeek, Ollama…) with Codex CLI, App, SDK, and Claude Code

The Harness of Harnesses • Super Agent: a trusted, persistent, self-evolving multi-agent ecosystem for all-domain collaboration.

The Enterprise-Grade Multi-Agent Orchestration Framework. Website: https://swarms.ai

All-in-one AI desktop app: one-click install for Claude Code, Codex CLI, DeepSeek and more, manage AI accounts and quotas, smart model routing with auto-failover, voice input, and run local LLMs. Bonus: a Token Pet that grows as you use AI.

The automatic work journal/time tracker. Privately turns your screen into a timeline of what you actually accomplished. Open-source and local-first.

Multi-account proxy for Claude Code and Codex: pools Claude Max, ChatGPT/Codex, API-key and third-party backend accounts, and rotates on quota

A curated list of the best awesome AI plugins for AI assistants including Claude Code, OpenAI Codex / ChatGPT, Gemini, Antigravity, Pi / Oh My Pi, Grok, OpenCodek DSH, Kimi and More. https://hol.org/plugins

🔓 Free open-source AI text humanizer — bypass GPTZero, Turnitin & AI detectors with 16+ Languages support. 35 providers, 4 rewrite levels, 6 Writing Styles, 9 Text Purposes, 13 Tone Presets, multi-pass ninja mode. No login. Built for students & writers.

LangChain4j is an idiomatic, open-source Java library for building LLM-powered applications on the JVM. It offers a unified API over popular LLM providers and vector stores, and makes implementing tool calling (including MCP support), agents and RAG easy. It integrates seamlessly with enterprise Java frameworks like Quarkus and Spring Boot.

AI coworker with memory and collaboration

Unlimited FREE AI coding. Connect Claude Code, Codex, Cursor, Cline, Copilot, Antigravity to FREE Claude/GPT/Gemini via 40+ providers. Auto-fallback, RTK -40% tokens, never hit limits.

Use LLMs and LLM Vision (OCR) to handle paperless-ngx - Document Digitalization powered by AI

Private AI platform for agents, assistants and enterprise search. Built-in Agent Builder, Deep research, Document analysis, Multi-model support, and API connectivity for agents.

Codex CLI multi-account OAuth manager with account switching, health checks, runtime rotation, diagnostics, and recovery tools for @openai/codex

AI desktop app for chat, RAG, Skills, MCP tools, and agents. Support multiple LLMs (Anthropic, OpenAI, VertexAI, vLLM, Nvidia NIM, Gemini, OpenRouter)

AI assistant and MCP server for Blender: visual chat, scene tools, multi-agent workflows. Works with OpenAI, ChatGPT, Claude, Gemini, Ollama, OpenCode. Blender AI addon and plugin, copilot for 3D, bpy Python scripting, MCP integration.