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 Codyn's AI engine.
#1NousResearch/hermes-agent
The agent that grows with you
#2ComposioHQ/awesome-claude-skills
A curated list of awesome Claude Skills, resources, and tools for customizing Claude AI workflows
#3nextlevelbuilder/ui-ux-pro-max-skill
An AI SKILL that provide design intelligence for building professional UI/UX multiple platforms
#4CherryHQ/cherry-studio
AI productivity studio with smart chat, autonomous agents, and 300+ assistants. Unified access to frontier LLMs
#5diegosouzapw/OmniRoute
Never stop coding. Free MIT AI gateway: one endpoint, 290+ providers (90+ free), 500+ models — Kimi, Claude, GPT, OpenAI, Gemini, GLM, DeepSeek, MiniMax. Works with Claude Code, Codex, Cursor, OpenCode, Cline & Copilot. Quota-aware auto-fallback, RTK+Caveman compression saves 15-95% tokens, MCP/A2A, Desktop/PWA. Built by 500+ contributors
#6stablyai/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.
#7Wei-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。
#8farion1231/cc-switch
A cross-platform desktop All-in-One assistant tool for Claude Code, Codex, OpenCode, openclaw & Gemini CLI.
#9manaflow-ai/cmux
Open source Ghostty-based macOS terminal with vertical tabs and notifications for AI coding agents. Built for multitasking, organization, and programmability.
#10iOfficeAI/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!
#11router-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
#12slopus/happy
Mobile and Web client for Codex and Claude Code, with realtime voice, encryption and fully featured
#13wanshuiyin/Auto-claude-code-research-in-sleep
ARIS ⚔️ (Auto-Research-In-Sleep) — Lightweight Markdown-only skills for autonomous ML research: cross-model review loops, idea discovery, and experiment automation. No framework, no lock-in — works with Claude Code, Codex, OpenClaw, or any LLM agent.
#14humanlayer/humanlayer
The best way to get AI coding agents to solve hard problems in complex codebases.
#15steipete/CodexBar
Show usage stats for OpenAI Codex and Claude Code, without having to login.
#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.
#17citrolabs/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.
#18lidge-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
#19max-sixty/worktrunk
Worktrunk is a CLI for Git worktree management, designed for parallel AI agent workflows
#20mksglu/context-mode
Privacy-first. MCP is the protocol for tool access. We're the virtualization layer for context.
#21chaitin/MonkeyCode
AI coding platform for teams
#22crafter-station/petdex
The public gallery of animated pet for Codex, Claude Code, OpenCode y Gemini CLI
#23agent-of-empires/agent-of-empires
Manage multiple Claude Code, OpenCode agents from either TUI or Web for easy access on mobile. Also supports Mistral Vibe, Codex CLI, Gemini CLI, Pi.dev, Copilot CLI, Factory Droid Coding.
#24letta-ai/letta-code
Stateful agents that are like people, with memory, identity, and the ability to learn and adapt
#25NVIDIA/skills
Agent Skills for NVIDIA products — install into Claude Code, Codex, and other coding agents to run Physical AI, robotics, simulation, CUDA, and RAG workflows end to end.
#26seakee/CPA-Manager-Plus
A self-hosted CPA / CLIProxyAPI management panel and AI gateway observability dashboard for requests, usage, cost, quota, failures, and account health.
#27the-open-engine/zeroshot
Your autonomous engineering team in a CLI. The agent loop produces senior-level code that you can actually trust in prod because of non-negotiable feedback from independent reviewers. Supports Claude Code, OpenAI Codex, OpenCode, and Gemini CLI with trivial setup.
#28xenodium/agent-shell
A native Emacs buffer to interact with LLM agents powered by ACP
#29Stack-Cairn/LiveAgent
A fully functional AI Agent desktop client that supports Webui access and can be creatively customized and expanded!
#30powerycy/goutoujunshi
一个先接住情绪、再分析关系并给出可执行策略的 Codex 恋爱军师，内置心理、法律、社会、人文、哲学、婚姻家庭与性学知识库，支持多元关系。
#31makecindy/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。
#32plannotator/effective-html
Agent skills for useful HTML artifacts, wireframes, interactive prototypes, plans, and diagrams.
#33fujibee/agmsg
Cross-vendor messaging for CLI AI coding agents — let Claude Code, Codex, Gemini & Copilot talk to each other in one team. Bash + SQLite, no daemon, no framework.
#34preset-io/agor
Agor - team command center for all things agentic
#35shiwenwen/hope-agent
🦭 会记忆、能持续推进目标、会动态编排多 Agent 的跨端桌面 AI 助手，也可服务化常驻 NAS / 云端 | A cross-device desktop AI agent with memory, autonomous goals, dynamic workflows, and headless deployment
#36alookai/alook
The collaboration layer for your AI workforce. Run a team of AI agents that coordinate over email, share memory, and get better with every task.
#37ctxrs/ctx
Search the coding agent history already on your machine
#38agentforce314/clawcodex
Token efficient Claude Code full Python rebuild. AI Coding Agent in 270K LoC pure Python. Up to 200X Cost Saving!
#39wzyn20051216/solidworks-automation-skill
Python automation toolkit for SolidWorks API
#40huangruiteng/loopx
Lightweight loop engineering state kernel for long-running AI agent teams. Agent-loop agnostic across Codex, Claude Code, and other coding agents, with durable goals, quota-aware auto-wake, executable todos, evidence logs, and verifiable handoffs.
#41RandallLiuXin/GodotMaker
Autonomous text-to-game pipeline for Godot, powered by Claude Code,Codex,Opencode
#42avibe-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.
#43reyamira/models
TUI and CLI for browsing AI models, benchmarks, coding agents, and statuses for AI providers.
#44CodeAbra/iai-personal-memory-engine
A cyber brain for your AI. It never forgets a detail, remembers exactly what you said, and learns how you work over time. Free, local, works with Cursor, Claude Code, Codex, OpenClaw, Hermes and more. MIT.
#45rlaope/oh-my-hermes
Just install once. Anyone can use hermes-agent professionally. the powerful intelligence and memory system for your agent ⚚
#46juyterman1000/entroly
AI context optimization platform for files, conversations, RAG, code, logs and AI agents with context compression, evidence preservation, content-addressed recovery and auditable Context Receipts.
#47chrisdoc/hevy-mcp
Manage your Hevy workouts, routines, folders, and exercise templates. Create and update sessions faster, organize plans, and search exercises to build workouts quickly. Stay synced with changes so your training log is always up to date.
#48zexuanw958-svg/travel-plan-viz
Migo · 旅行领航 —— 把旅行行程生成为单文件、可离线、手机优先的 HTML（交互地图+每日时间轴+出发前提醒）。Claude Code / Codex 通用 Skill（travel-plan-viz）。
#49horang-labs/tessera
Tessera — a workspace for organizing AI coding sessions across projects, collections, tabs, panes, and Git worktrees
#50Anionex/codex-vision-proxy
让纯文本模型在 Codex 中无障碍调用内置看图工具（view_image）的方案，附为纯文本 LLM 设计的视觉工具包&skill ｜ Let text-only models call Codex's built-in view_image seamlessly, plus a vision toolkit&skill designed for text-only LLMs.