Best Open Source claude Libraries

#1f/prompts.chat

a.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.

#2ChatGPTNextWeb/NextChat

✨ Light and Fast AI Assistant. Support: Web | iOS | MacOS | Android | Linux | Windows

#3lobehub/lobehub

The ultimate space for work and life — to find, build, and collaborate with agent teammates that grow with you. We are taking agent harness to the next level — enabling multi-agent collaboration, effortless agent team design, and introducing agents as the unit of work interaction.

#4affaan-m/everything-claude-code

Complete Claude Code configuration collection - agents, skills, hooks, commands, rules, MCPs. Battle-tested configs from an Anthropic hackathon winner.

#5tw93/Pake

🤱🏻 Turn any webpage into a desktop app with one command.

#6zhayujie/chatgpt-on-wechat

CowAgent是基于大模型的超级AI助理，能主动思考和任务规划、访问操作系统和外部资源、创造和执行Skills、拥有长期记忆并不断成长。同时支持飞书、钉钉、企业微信应用、微信公众号、网页等接入，可选择OpenAI/Claude/Gemini/DeepSeek/ Qwen/GLM/Kimi/LinkAI，能处理文本、语音、图片和文件，可快速搭建个人AI助手和企业数字员工。

#7chatboxai/chatbox

Powerful AI Client

#8ComposioHQ/awesome-claude-skills

A curated list of awesome Claude Skills, resources, and tools for customizing Claude AI workflows

#9chatanywhere/GPT_API_free

Free ChatGPT&DeepSeek API Key，免费ChatGPT&DeepSeek API。免费接入DeepSeek API和GPT4 API，支持 gpt | deepseek | claude | gemini | grok 等排名靠前的常用大模型。

#10danny-avila/LibreChat

Enhanced ChatGPT Clone: Features Agents, MCP, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message search, Code Interpreter, langchain, DALL-E-3, OpenAPI Actions, Functions, Secure Multi-User Auth, Presets, open-source for self-hosting. Active.

#11nextlevelbuilder/ui-ux-pro-max-skill

An AI SKILL that provide design intelligence for building professional UI/UX multiple platforms

#12code-yeongyu/oh-my-opencode

the best agent harness

#13asgeirtj/system_prompts_leaks

Collection of extracted System Prompts from popular chatbots like ChatGPT, Claude & Gemini

#14continuedev/continue

⏩ Source-controlled AI checks, enforceable in CI. Powered by the open-source Continue CLI

#15thedotmack/claude-mem

A Claude Code plugin that automatically captures everything Claude does during your coding sessions, compresses it with AI (using Claude's agent-sdk), and injects relevant context back into future sessions.

#16songquanpeng/one-api

LLM API 管理 & 分发系统，支持 OpenAI、Azure、Anthropic Claude、Google Gemini、DeepSeek、字节豆包、ChatGLM、文心一言、讯飞星火、通义千问、360 智脑、腾讯混元等主流模型，统一 API 适配，可用于 key 管理与二次分发。单可执行文件，提供 Docker 镜像，一键部署，开箱即用。LLM API management & key redistribution system, unifying multiple providers under a single API. Single binary, Docker-ready, with an English UI.

#17wshobson/agents

Intelligent automation and multi-agent orchestration for Claude Code

#18voideditor/void

#19labring/FastGPT

FastGPT is a knowledge-based platform built on the LLMs, offers a comprehensive suite of out-of-the-box capabilities such as data processing, RAG retrieval, and visual AI workflow orchestration, letting you easily develop and deploy complex question-answering systems without the need for extensive setup or configuration.

#20hesreallyhim/awesome-claude-code

A curated list of awesome skills, hooks, slash-commands, agent orchestrators, applications, and plugins for Claude Code by Anthropic

#21yamadashy/repomix

📦 Repomix is a powerful tool that packs your entire repository into a single, AI-friendly file. Perfect for when you need to feed your codebase to Large Language Models (LLMs) or other AI tools like Claude, ChatGPT, DeepSeek, Perplexity, Gemini, Gemma, Llama, Grok, and more.

#22davila7/claude-code-templates

CLI tool for configuring and monitoring Claude Code

#23winfunc/opcode

A powerful GUI app and Toolkit for Claude Code - Create custom agents, manage interactive Claude Code sessions, run secure background agents, and more.

#24oraios/serena

A powerful coding agent toolkit providing semantic retrieval and editing capabilities (MCP server & other integrations)

#25QuantumNous/new-api

A unified AI model hub for aggregation & distribution. It supports cross-converting various LLMs into OpenAI-compatible, Claude-compatible, or Gemini-compatible formats. A centralized gateway for personal and enterprise model management. 🍥

#26OthmanAdi/planning-with-files

Claude Code skill implementing Manus-style persistent markdown planning — the workflow pattern behind the $2B acquisition.

#27NevaMind-AI/memU

Memory for 24/7 proactive agents like openclaw (moltbot, clawdbot).

#28sigoden/aichat

All-in-one LLM CLI tool featuring Shell Assistant, Chat-REPL, RAG, AI Tools & Agents, with access to OpenAI, Claude, Gemini, Ollama, Groq, and more.

#29xonsh/xonsh

🐚 Python-powered shell. Full-featured, cross-platform and AI-friendly.

#30friuns2/BlackFriday-GPTs-Prompts

List of free GPTs that doesn't require plus subscription

#31K-Dense-AI/claude-scientific-skills

A set of ready to use scientific skills for Claude

#32ntegrals/openbrowser

Let AI agents browse the web. An autonomous toolkit for browser-based AI agents.

#33lencx/Noi

🚀 Less chaos. More flow.

#34coreyhaines31/marketingskills

Marketing skills for Claude Code and AI agents. CRO, copywriting, SEO, analytics, and growth engineering.

#35NoeFabris/opencode-antigravity-auth

Enable Opencode to authenticate against Antigravity (Google's IDE) via OAuth so you can use Antigravity rate limits and access models like gemini-3-pro and claude-opus-4-5-thinking with your Google credentials.

#36Yeachan-Heo/oh-my-claudecode

Teams-first Multi-agent orchestration for Claude Code

#37refly-ai/refly

The first open-source agent skills builder. Define skills by vibe workflow, run on Claude Code, Cursor, Codex & more. Build Clawdbot 🦞· APIs for Lovable · Bots for Slack & Lark/Feishu · Skills are infrastructure, not prompts.

#38Maciek-roboblog/Claude-Code-Usage-Monitor

Real-time Claude Code usage monitor with predictions and warnings