ChatGPT GitHub Repositories (2026) · Open Source Tools

Use your ChatGPT / Codex subscription with DeepSeek Harness via OAuth, with model access, usage quotas, search, and image generation — no API key or Codex CLI required.

OpenCode plugin: image generation via your ChatGPT subscription or OpenAI API

A curated list of GEO and AI visibility tools, compared on which AI engines they track, how often they refresh, what they cost, and whether you can get your data out.

grok-cli-self the lightweight, zero-dependency Grok CLI. Chat with xAI's Grok AI (Grok 4) in your terminal: one-shot prompts

Codex plugin: choose which past images go to the model with your next message. Unchecked images become placeholders, the task goes on, and requests stay small.

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

ChatGPT 5.6 Free Desktop chatgpt 5.6 download, no chatgpt plus for the app. chatgpt 5.6 sol, chatgpt luna, chatgpt 5.6 terra, chatgpt 5.6 cyber, gpt 5.6, chatgpt api, openai chat gpt, DALL-E, voice. Windows Mac Linux free desktop AI. 🡇

Self-hosted AI workspace with agents, skills, and tools (Gmail, Calendar) that runs entirely on your own provider API keys (BYOK). Bring your own keys — Groq, OpenRouter, NVIDIA, Hugging Face, Google AI.

MaxKB4j is an open-source LLMOps platform for LLM workflow applications and RAG developed based on the Java language. The project mainly draws on MaxKB, Dify and FastGPT, and combines the advantages of the two into one project. It is redesigned and developed using the high-performance, high-stability and secure reliable JAVA language.

Open-source cognitive coprocessor with active memory for AI agents — persistent recall, semantic search, overnight dreaming, verified facts, encrypted USB sync. MCP server; works with Claude, ChatGPT, and any local LLM. Built by one maker and his agents.

WelsonJS - Built-in JavaScript for Industrial Automation on Windows

Can AI engines cite your site, and do they? Free 0–100 readiness score on an open GEO rubric, plus citation tracking via the OpenAI, Perplexity, Gemini and Claude APIs with your own keys. Zero dependencies, MCP server.

The AI-powered toolkit that grows your YouTube channel on autopilot.

Fully customizable AI chatbot component for your website

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.