637 ListingsFree scan on submit

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.

AllCoding AgentsDeveloper ToolsData Science & MLProductivity & WorkflowResearch & AnalysisBrowser AutomationWeb Scraping & DataDatabase ManagementSecurity & TestingDeployment & DevOpsCloud InfrastructureDesign & MediaContent & WritingMarketing AutomationFinance & TradingCommunicationSEO & AI SearchSocial MediaJob Search & CareersSales & CRME-commerceCrypto & Web3Gaming & Game DevSmart Home & IoTLearning ResourcesOther

AutoHarness

AutoHarness: Automated Harness Engineering for AI Agents

Developer Tools Scanned 465

Nix Config

My Nix system configs!

Developer Tools Scanned 462

Plinth

Plinth is an AI-native engineering toolkit for modern Java enterprise SDLC, built around reusable Commands, Agents, Skills, and MCP Servers.

Developer Tools Scanned 457

Open Skills

OpenSkills: Run Claude Skills Locally using any LLM

Developer Tools Scanned 451

Hypha

Harness-oriented agent system framework for production-grade LLM agent applications

Developer Tools Scanned 451

MCP Server Solidworks

This MCP server integrates with SolidWorks API and structuring it into Claude-compatible context streams.

Developer Tools Scanned 448

Claude Swarm

Multi-agent orchestration for Claude Code — decompose tasks, coordinate agents, visualize everything in a rich terminal UI

Developer Tools Scanned 444

Ai4j

Java 8+ agentic SDK: unified LLM access (OpenAI/Anthropic/DashScope/Doubao/DeepSeek...),unified AI service(image/video/audio...), Tool Calling, MCP, RAG, SKILLS,Agent Runtime, A2A, agent blueprint, agent harness, and a built-in Coding Agent CLI/TUI/ACP.

Developer Tools Scanned 436

Dryforge

Bounded-autonomy plugin harness for agents. Intent to implementation: ready, then go.

Developer Tools Scanned 433

Harness Remote

Native-session control plane for Codex, Claude Code, OpenCode, OMP and PI. Run, resume and hand off coding sessions across your machines.

Developer Tools Scanned 431

Deepseek Harness Local Android

Run the DeepSeek Harness AI agent natively on Android — no root, no Termux, extension center included | 手机本地运行 DeepSeek Agent,免 Root 免 Termux

Developer Tools Scanned 430

OwnPilot

Privacy-first personal AI assistant platform with autonomous agents, tool orchestration, and multi-provider support.

Developer Tools Scanned 429

SHAFT ENGINE

Java test automation framework for web, mobile, API, CLI, database, and desktop E2E testing with a fluent API and built-in reporting.

Developer Tools Scanned 418

Agent Bridge

A local bridge for bidirectional collaboration between Claude Code and Codex. 连接 Claude Code 与 Codex 的本地实时协作桥接工具。

Developer Tools Scanned 418

Rsc Harness

Your agent invents things because it has no memory, and can't touch your database because it has no arms. rsc is the meta-harness that gives it both, plus the trade to know the job and the reflexes to not break your repo. For Claude Code, Codex and 15 more.

Developer Tools Scanned 418

Flowcraft

Production-grade Go SDK for building AI agents with long-term memory, knowledge retrieval, and voice — runnable as a library, a daemon, or a real-time pipeline.

Developer Tools Scanned 413

Cc Sessions Viewer

support cc/codex/grok build/kimicode/pi/antigravity cli/opencode sessions viewer, skills manage, token usage statistics, global search, resume, and export to html

Developer Tools Scanned 411

MARS

REST framework for Delphi: JAX-RS style resources and routes, servers and clients, JWT, OpenAPI 3, FireDAC and Devart UniDAC/MyDAC/IBDAC, SSE, MCP servers for AI agents. Windows, Linux, Docker.

Developer Tools Scanned 400

Agentenv Framework

Creating realistic RL environments requires collaboration between researchers, engineers, and domain experts across many dimensions: artifacts, environments tools, dynamism of the environment, reproducibility, and more. There is no open source framework for building these environments effectively. Until now.

Developer Tools Scanned 399

MCP Flutter

MCP Toolkit for Flutter AI Agent Driven Development (MCP/CLI + custom client side tools) - via closed feedback loop (visual & semantic snapshot) and high client side customization adaptable for any Flutter app. Nowadays it is often called as agentic harness.

Developer Tools Scanned 394

Openchatx MCP

Turn ChatGPT into a local agent runtime. Operate your computer, use local tools, discover MCP servers, and delegate work to your own models through one MCP connection.

Developer Tools Scanned 394

Ospec

Spec-driven, agentic workflow framework for AI coding agents. Turn a request into a verifiable goal loop — plan, act, verify — with durable specs and evidence in your repo. Works with Claude Code, Codex, Gemini, OpenCode, and plain CLI.

Developer Tools Scanned 391

Goofish CLI

闲鱼 CLI · 原生支持 MCP · 为 AI Agent 而生 | Goofish (Xianyu) automation CLI · MCP-ready · Built for AI Agents

Developer Tools Scanned 389

Intervals MCP Server

Model Context Protocol (MCP) server for connecting Claude and ChatGPT with the Intervals.icu API.

Developer Tools Scanned 388

List refreshed November 15, 2026. Data comes from public GitHub repositories.