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
#2Leonxlnx/taste-skill
Taste-Skill - gives your AI good taste. stops the AI from generating boring, generic slop
#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.
#9stablyai/orca
Orca is the ADE for working with a fleet of parallel agents. Run any coding agent with your own subscription. Available on desktop and mobile.
#10diegosouzapw/OmniRoute
Never stop coding. Free MIT AI gateway: one endpoint, 268+ providers (50+ free), 500+ models — Claude, GPT, Gemini, Kimi K3, GLM, DeepSeek. Works with Claude Code, Codex, Cursor, Cline & Copilot. Quota-aware auto-fallback, RTK+Caveman compression saves 15-95% tokens, MCP/A2A, multimodal, Desktop/PWA. Built by 500+ contributors.
#11iOfficeAI/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!
#12router-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
#13slopus/happy
Mobile and Web client for Codex and Claude Code, with realtime voice, encryption and fully featured
#14mindfold-ai/Trellis
The best agent harness.
#15humanlayer/humanlayer
The best way to get AI coding agents to solve hard problems in complex codebases.
#16steipete/CodexBar
Show usage stats for OpenAI Codex and Claude Code, without having to login.
#17backnotprop/plannotator
Annotate and review coding agent plans and code diffs visually, share with your team, send feedback to agents with one click.
#18mksglu/context-mode
Privacy-first. MCP is the protocol for tool access. We're the virtualization layer for context.
#19github/gh-aw
GitHub Agentic Workflows
#20chaitin/MonkeyCode
AI coding platform for teams
#21letta-ai/letta-code
Stateful agents that are like people, with memory, identity, and the ability to learn and adapt
#22ilysenko/codex-desktop-linux
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.
#23seakee/CPA-Manager-Plus
A self-hosted CPA / CLIProxyAPI management panel and observability dashboard for requests, usage, cost, quota, failures, and account health.
#24RedPlanetHQ/core
Your Personal AI OS
#25fujibee/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.
#26shiwenwen/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
#27nrslib/takt
TAKT Agent Koordination Topology - Define how AI agents coordinate, where humans intervene, and what gets recorded — in YAML
#28Stack-Cairn/LiveAgent
A fully functional AI Agent desktop client that supports Webui access and can be creatively customized and expanded!
#29sk-ruban/notchi
notch app for claude code & codex
#30Javis603/token-monitor
Real-time token, cost, and AI limits widget with multi-device sync for Claude Code, Codex, OpenCode, Hermes, OpenClaw, Cursor, Antigravity and more. | 为 AI Tools 打造的即时Token、成本与限额监控桌面组件，支持多设备同步
#31workweave/router
Model router for agentic systems. Routes every prompt to the right model in <50ms. Cut costs 40-70% with just an endpoint change.
#32zhnt/loushang
AI-native agent harness for coding workflows by python: multi-model LLM orchestration, stateful sessions, tool governance, traceable delivery, and provider routing for GPT, Claude, DeepSeek, Qwen, Kimi, GLM, and MiniMax.
#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
#34peters/horizon
GPU-accelerated terminal board that puts all your sessions on an infinite canvas
#35wecode-ai/Wegent
An open-source AI-native operating system to define, organize, and run intelligent agent teams
#36reyamira/models
TUI and CLI for browsing AI models, benchmarks, coding agents, and statuses for AI providers.
#37openteams-lab/openteams
Plan, Build, and Ship — with a team of AI agents instead of one
#38juyterman1000/entroly
Auditable context engineering for AI agents: context optimization, recoverable context compression, receipts, answer verification, and MCP for Claude Code, Codex, OpenClaw.
#39xichan96/dinotty
Multi-device terminal server for AI coding agents. Server-side VTE, session persistence, file browser, web preview, plugin system. Self-hosted.
#40aiskillstore/marketplace
Security-audited skills for Claude, Codex & Claude Code. One-click install, quality verified.
#41vshulcz/deja-vu
Your agents already solved this. deja finds it — retroactive search and MCP recall over the session logs your coding agents already wrote. Cross-agent, SSH-portable, one zero-dep binary, fully local.
#42jumodada/Drissionpage-MCP-Server
DrissionPage MCP Server · Browser automation for Claude Code, Codex, and MCP clients
#43IvanWng97/pixtuoid
Terminal pixel-art office for AI coding agents
#44chrisdoc/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.
#45professorpalmer/Puppetmaster
Provider-neutral control plane for durable-state agent swarms: subprocess workers, leases, artifacts, memory, and deterministic stitching.
#46gug007/lpm
Start, stop, and duplicate dev projects with one click. The best workspace for running Claude Code, Codex, and other AI agents alongside your services.
#47h0x91b/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.
#48Leon-Drq/openagentskill
The skill layer for AI agents: npm for AI Agent Skills.
#49FailproofAI/failproofai
Runtime failure resolution for coding agents. Hooks into Claude Code, Codex & your favourite harnesses. Catches loops, dangerous actions, and secret leaks before they become incidents. Zero latency. Runs locally.
#50SeanJ1ang/design-judge-skills
Evidence-driven Agent Skills for design award research, evaluation, award matching, entry writing, and submission readiness.