Developer Tools Listings
Compare the best open-source listings for developer tools. SDKs, CLIs and frameworks for building with AI. Ranked by GitHub stars, with install commands, what each one can touch and scan reports where available.
Learn Harness Engineering
Harness engineering beginner tutorial, from 0 to 1
Agency Agents Zh
🎭 277 个即插即用的 AI 专家角色 — 支持 Claude Code/Cursor/Copilot 等 20 种工具,覆盖工程/设计/营销/金融等 20 个部门。含 64 个中国市场原创智能体(小红书/抖音/微信/飞书/钉钉/Qt 上位机/机械设计)。搭配编排器 agency-orchestrator,一句话即可让多位专家按 DAG 自动协作。
Notebooklm Py
Unofficial Python API and agentic skill for Google Gemini Notebook. Full programmatic access to Gemini Notebook's features—including capabilities the web UI doesn't expose—via Python, CLI, and AI agents like Claude Code, Codex, and OpenClaw.
Parlant
Build reliable customer-facing AI agents with Parlant: an interaction control harness optimized for controlled, consistent, and predictable LLM interactions.
Edict
🏛️ 三省六部制 · OpenClaw Multi-Agent Orchestration System — 9 specialized AI agents with real-time dashboard, model config, and full audit trails
DeepCode
"DeepCode: Open Agentic Coding (Agent Harness & Loop Engineering & Multi-Agent Orchestration)"
OpenSandbox
Secure, Fast, and Extensible Sandbox runtime for AI agents.
Agent Framework
A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.
Loop Engineering
Practical patterns, starters & CLI tools for loop engineering with AI coding agents. Design systems that prompt and orchestrate agents (inspired by Addy Osmani and Boris Cherny). Includes loop-audit, loop-init, loop-cost.
PocketFlow
Pocket Flow: 100-line LLM framework. Let Agents build Agents!
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.
Hive
Multi-Agent Harness for Production AI
Spring AI Alibaba
Agentic AI Framework for Java Developers
Voltagent
AI Agent Engineering Platform built on an Open Source TypeScript AI Agent Framework
MCP Use
The fullstack MCP framework to develop MCP Apps for ChatGPT / Claude & MCP Servers for AI Agents.
Adk Recipes
A collection of agent recipes, reference patterns, and vertical plugins built with Agent Development Kit (ADK)
Pyod
A Python library for anomaly detection across tabular, time series, graph, text, image, and audio data. 60+ detectors, benchmark-backed ADEngine orchestration, and an agentic workflow for AI agents.
PraisonAI
PraisonAI 🦞 — Hire a 24/7 AI Workforce. Stop writing boilerplate and start shipping autonomous self-improving agents that research, plan, code, and execute tasks. Deployed in 5 lines of code with built-in memory, RAG, and support for 100+ LLMs.
Munder Difflin
an open-source alternative to the dots, bots and muses of the world, run an office of claude code/codex like agents on your laptop, sandboxes or anywhere, uses your existing subscriptions
Harness SDK
Build an agent harness and control it end-to-end. Open-source SDK for production AI agents in Python & TypeScript - any model, any cloud.
Mini Swe Agent
The 100 line AI agent that solves GitHub issues or helps you in your command line. Radically simple, no huge configs, no giant monorepo—but scores >74% on SWE-bench verified!
Adk Go
An open-source, code-first Go toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.
Microsandbox
🧱 easy, fast, programmable and local-first microVM runtime and library
Openrig
Build your own network of agents from Claude Code, Codex and Pi: persistent teams with roles, shared context and owned work.
List refreshed November 15, 2026. Data comes from public GitHub repositories.