Best Open Source codex Libraries
A curated list of the most popular GitHub repositories tagged with codex. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.
#1NousResearch/hermes-agent
The agent that grows with you
#2stablyai/orca
Orca is the ADE for working with a fleet of parallel agents. Run any coding agent with your own subscription. Available on desktop, mobile and VPS.
#3ComposioHQ/awesome-claude-skills
A curated list of awesome Claude Skills, resources, and tools for customizing Claude AI workflows
#4nextlevelbuilder/ui-ux-pro-max-skill
An AI SKILL that provide design intelligence for building professional UI/UX multiple platforms
#5CherryHQ/cherry-studio
AI productivity studio with smart chat, autonomous agents, and 300+ assistants. Unified access to frontier LLMs
#6Wei-Shaw/sub2api
Sub2API 一站式开源中转服务，让 Claude、Openai 、Gemini、Grok订阅统一接入，支持拼车共享，更高效分摊成本，原生工具无缝使用。
#7farion1231/cc-switch
A cross-platform desktop All-in-One assistant tool for Claude Code, Codex, OpenCode, openclaw & Gemini CLI.
#8manaflow-ai/cmux
Open source Ghostty-based macOS terminal with vertical tabs and notifications for AI coding agents. Built for multitasking, organization, and programmability.
#9iOfficeAI/AionUi
Free, local, open-source 24/7 Cowork app and OpenClaw for Gemini CLI, Claude Code, Codex, OpenCode, Qwen Code, Goose CLI, Auggie, and more | 🌟 Star if you like it!
#10router-for-me/CLIProxyAPI
Wrap Gemini CLI, Antigravity, ChatGPT Codex, Claude Code, Qwen Code, iFlow as an OpenAI/Gemini/Claude/Codex compatible API service, allowing you to enjoy the free Gemini 2.5 Pro, GPT 5, Claude, Qwen model through API
#11getpaseo/paseo
Orchestrate multiple coding agents from desktop and mobile
#12slopus/happy
Mobile and Web client for Codex and Claude Code, with realtime voice, encryption and fully featured
#13citrolabs/ego-lite
The fastest browser for AI agents to run browser automation, built for sharing your logged-in browser state with your AI agents, like Codex or Claude Code, without disturbing you. Zero cost, zero config.
#14lidge-jun/opencodex
Universal provider proxy for OpenAI Codex & Claude Code — use any LLM (Claude, Gemini, Grok, DeepSeek, Ollama…) with Codex CLI, App, SDK, and Claude Code
#15humanlayer/humanlayer
The best way to get AI coding agents to solve hard problems in complex codebases.
#16omnigent-ai/omnigent
Omnigent is an open-source AI agent framework and meta-harness: orchestrate Claude Code, Codex, Cursor, Pi, and custom agents — swap harnesses without rewriting, enforce policies and sandboxing, and collaborate in real time from any device.
#17steipete/CodexBar
Show usage stats for OpenAI Codex and Claude Code, without having to login.
#18tbphp/gpt-load
Self-hosted AI gateway for multi-channel, multi-credential setups — API keys and subscription accounts, scheduling, failover, request logs and usage. 自托管 AI 网关：多渠道多凭据统一接入，含密钥与订阅账号、调度容错、日志与用量。
#19mksglu/context-mode
Privacy-first. MCP is the protocol for tool access. We're the virtualization layer for context.
#20Waishnav/devspace
Minimal Coding Agent Harness over MCP for ChatGPT, Claude, Hermes, Grok Bot, OpenClaw
#21letta-ai/letta-code
Stateful agents that are like people, with memory, identity, and the ability to learn and adapt
#22Tiger3807861189/J-Space-Cognition-Suite-V3.7
J-Space Cognition Suite V3.7 - AI cognitive-enhancement Skills based on Anthropic's J-space global workspace research. | 哔哩哔哩：Tiger380 (UID 3494375382321675) — https://space.bilibili.com/3494375382321675
#23seakee/CPA-Manager-Plus
A self-hosted CPA / CLIProxyAPI management panel and AI gateway observability dashboard for requests, usage, cost, quota, failures, and account health.
#24miuuyy/codex-chatgpt-web
Use ChatGPT Web (including Pro) as a native model in the Codex app — with context, tools, streaming and images beyond Codex usage limits.
#25Ontos-AI/knowhere
Knowhere extracts, parses, and outputs structured chunks ready for AI Agents and RAG.
#26get-bb/bb
The agent IDE that builds itself
#27makecindy/cindy
Consider it done. The open-source AI agent that works out of the box · 想到，就能做到。开源、开箱即用的 AI Agent。
#28james-6-23/codex2api
Codex2API 是一个基于 Go + Gin + React/Vite 的 Codex 反向代理与管理后台项目
#29Core-Mate/OpenGUI
OpenGUI is an Android GUI agent framework for phone-use AI that can see, plan, and operate real mobile apps through the GUI.
#30amElnagdy/delegate-skills
Delegate a coding task to a separate coding agent CLI, review the diff, land the commit yourself — one per implementer.
#310xsline/OpenChatCut
Open-source, local-first conversational AI video editor with a professional multi-track timeline, Agent Skills, MCP integration, and Remotion rendering.
#32nrslib/takt
TAKT Agent Koordination Topology - Define how AI agents coordinate, where humans intervene, and what gets recorded — in YAML
#33deepcoldy/botmux
Bridge Feishu/Lark to AI coding CLIs — Claude Code, Codex, Gemini, OpenCode… every DM, group or topic spawns its own live-streaming CLI session
#34MemTensor/memmy-agent
🍙 A personal AI agent & local memory hub for all AI agents, gives every AI one shared, fully controlled memory and persistent context — all AI remember the same you. Now supports Claude Code, Codex, OpenClaw and Hermes Agent etc.
#35alookai/alook
Rooms for people and agents.
#36memorax-ai/memorax-code
A memory plugin for AI coding that turns engineering experience, repository knowledge, and your way of working into memory that remains useful in future tasks.
#37sunchaokun/PPT-Design-Skill
Precision PPT design skill for OpenCode/Claude Code/Codex, with 40,000+ styles, pixel-perfect Build Mode control, AI image generation, and fully editable PPTX. 面向专业演示设计场景，帮助用户从需求分析、视觉方向选择到原生可编辑 PPTX 交付，打造高质量、可持续修改的演示文稿。
#38917Dhj/DeepPaperNote
DeepPaperNote is an agent skill for deep-reading a single paper and generating high-quality Obsidian-style research notes. Works with Claude Code, Codex, Cursor, Copilot, Gemini CLI, and more.
#39vshulcz/deja-vu
Search your past AI coding sessions — Claude Code, Codex, Cursor and 17 more. Indexes the session history they already wrote to disk, including months from before you installed it, and recalls it in any of them. No LLM, no embeddings, one local Go binary.
#40hex/claude-council
Claude Code plugin that asks several AI coding agents the same question and shows their answers side by side. Gemini, OpenAI, Grok, Perplexity and Kimi over API; codex, antigravity, grok and kimi CLIs on subscription auth; ollama locally.
#41avibe-bot/avibe
The local-first Agent OS — your AI partner lives on your own machine. Drive the official Claude Code, Codex & OpenCode from your browser or any chat app.
#42narumiruna/pi-extensions
A monorepo of Pi Coding Agent extensions
#43rome-os/rome
Rome is the agentic OS.
#44termio-sh/termio
A terminal-first agentic development environment for agentic coding. Build for Claude Code, Codex, OpenCode and any TUI agent. Runtime for Coding Agent, iOS & Linux VPS supported
#45ad-naan/Adnify
Your codebase just hired an AI teammate — it plans, edits, runs, and ships, with a little otter energy. 🦦（一个很牛逼的agent ide）
#46piperhex/codex-switch
codex switch & codex theme & codex mobile & chatgpt codex & codex relay & cc switch & cockpit-tools & codex skin & codexplusplus & CSwitch
#47alexei-led/ccgram
Telegram ↔ tmux/herdr bridge for Claude Code, Codex CLI, and Gemini CLI. Monitor output, respond to prompts, manage parallel sessions. Control AI coding agents from your phone.
#48Joanium/Joanium
Your smart, reliable, and friendly personal AI assistant.
#49h0x91b/dev-3.0
Mission control for the One Person Studio — run a fleet of AI coding agents in parallel without losing your mind. Kanban + git worktrees + tmux for Claude Code, Codex, Gemini CLI, OpenCode and any shell agent. Not an IDE.
#50yyjeqhc/webcodex
Give cloud AI agents a real development environment on your own machines.