Tools

ECC is an AI Agent Harness performance optimization system for Claude Code, Cursor, and other AI editors, providing multi-role skills, instinct mechanisms, cross-session memory, and security sandbox.

An open-source fair-code workflow automation platform with 400+ integrations and built-in AI Agent nodes supporting OpenAI, Claude, Ollama and more. Ideal for building automated workflows and AI-driven business processes.

Agent harness performance optimization system providing skills, instincts, memory, security, and research-first development for Claude Code, Codex, Cursor and beyond.

DigitalPlat FreeDomain is an open-source project offering free domains with no credit card or personal information required. Supports DNS management and automatic HTTPS configuration.

The most iconic open-source project in AI image generation by AUTOMATIC1111. Built on Gradio, it supports txt2img, img2img, ControlNet, LoRA training, and a vast plugin ecosystem for complete creative control.

A CLAUDE.md skill file based on Andrej Karpathy's observations of LLM coding pitfalls, designed to improve Claude Code programming behavior by reducing over-engineering and hallucination issues.

A user-friendly open-source AI interface supporting Ollama local models and cloud APIs like OpenAI/Claude. Features built-in RAG knowledge bases, MCP support, voice input, and multi-model switching — one of the best web UIs for running LLMs locally.

Microsoft's open-source Python CLI tool for converting PDFs, Word docs, PowerPoints, Excel files and more to Markdown

The modern web developer's platform by Google, an enterprise-grade TypeScript-based frontend framework

Open-source project implementing classic design patterns in Java, with complete code examples, UML diagrams, and unit tests for all 23 patterns

Karpathy's open-source AI autonomous research project that lets AI agents run deep learning experiments automatically on a single GPU — modifying code, training models, and evaluating results.

AI tool that converts UI screenshots directly into HTML/Tailwind/React/Vue code. Built on GPT-4o vision with conversational iterative refinement support.

Free PDF textbooks covering primary, middle, high school, and university levels. Open-source educational resources hosted on GitHub.

A Python tool that generates HD short videos with one click using AI LLMs, with auto scripting, asset matching, voiceover and subtitles

An open-source collection of Claude Skills by Matt Pocock covering productivity, code-quality, testing and more. Drop them into your .claude directory to supercharge your AI-assisted development workflow.

Unofficial Bitwarden-compatible server written in Rust with minimal resource usage. Compatible with all official clients, ideal for self-hosted password management.

Universal memory layer for AI agents with multi-level memory, cross-session persistence, and semantic retrieval — letting AI assistants truly remember user preferences and historical context.

Open-source project that runs a full Windows system inside a Docker container with KVM acceleration, RDP remote desktop, and automatic activation — one command to start.

Curated collection of 5,400+ OpenClaw skills filtered and categorized from the official OpenClaw Skills Registry — a massive repostory of pre-built agent capabilities.

Twenty is an open-source CRM designed for AI, positioned as a Salesforce alternative. Built with TypeScript, React, and NestJS, featuring built-in AI assistant and automation workflows.

A TypeScript text measurement and layout library by Cheng Lou, supporting precise single-line/multi-line text dimension calculation and rich text layout without DOM rendering, achieving sub-pixel accuracy.

Adaptive Python web scraping framework supporting single requests to full-scale crawls with built-in anti-detection and dynamic page rendering

Open-source ultra-lightweight AI agent with a small readable core loop, supporting multiple chat channels, memory system, MCP protocol, and multi-LLM providers — minimal barrier from local setup to deployment.

Self-hosted document management system with OCR, full-text search, tag-based classification, automatic archiving, and email import. Makes paper documents fully digitized and searchable.

ChatTTS is an open-source generative speech model by 2noise, optimized for daily dialogue. Delivers natural prosody, pauses, and emotional expression with mixed Chinese-English support — currently the strongest open-source TTS for Chinese conversation.

Open-source cross-platform API client supporting REST, GraphQL, WebSockets, SSE, and gRPC protocols. Clean interface with environment management and code generation.

GFPGAN is an open-source real-world face restoration algorithm from Tencent ARC Lab, using GAN for facial reconstruction and super-resolution. Ideal for old photo restoration and face enhancement.

A multi-platform proxy client based on ClashMeta, simple and easy to use, open-source and ad-free

A free and open-source Windows screenshot and screen recording tool supporting region capture, scrolling capture, OCR, GIF recording, auto-upload to image hosts, and more. Known as the most comprehensive screen capture utility.

Open-source team collaboration platform, self-hosted, end-to-end encryption, compliance audit — enterprise-grade Slack replacement

Self-hosted game streaming server compatible with Moonlight clients. Supports NVIDIA/AMD/Intel hardware encoding across Windows, Linux, and macOS.

Curated open-source sysadmin resource list covering 30+ categories and 200+ tools across monitoring, backups, automation, virtualization, and network security.

Universal proxy platform supporting Shadowsocks, VMess, Trojan, Hysteria, WireGuard and more. One binary handles all your proxy needs.

Trinea's categorized collection of Android open-source projects covering UI, networking, databases, performance, and more

Classic jQuery file upload plugin supporting multi-file selection, drag & drop, progress bars, chunked resumable uploads, cross-domain uploads, and file previews. Includes server-side examples in multiple languages.

waifu2x is a deep learning super-resolution tool purpose-built for anime-style images, supporting combined denoising and upscaling with exceptional line art restoration — a classic choice for anime fans looking to revive old low-res artwork.

A Python CLI tool for managing and reusing Claude Code configurations. Supports template creation, variable substitution, template marketplace, and config monitoring/sync.

A jQuery-based replacement for select boxes supporting searching, remote data sets, and infinite scrolling

Understand-Anything turns any codebase into an interactive knowledge graph, supporting Claude Code, Cursor, Copilot, and other major AI editors to help developers quickly understand unfamiliar projects.

AI-driven database tool and SQL client supporting natural language to SQL generation, covering MySQL, PostgreSQL, Oracle and more.

Self-hosted personal dashboard and startpage with status checks, widgets, themes, and a visual editor

Open-source ebook management tool supporting virtually all ebook format conversions, Kindle push, metadata management, and library organization.

VS Code extension providing a multi-role AI agent team for architecture design, code review, test generation, and autonomous task execution.

chalk is the most popular terminal string styling library in the Node.js ecosystem, offering a chainable API for colors, bold, backgrounds, and more, with automatic terminal color detection — an essential tool for CLI developers.

100-day machine learning tutorial in Chinese with daily Jupyter Notebook exercises

CodeGraph is a pre-indexed local code knowledge graph for Claude Code, Cursor, and other AI editors. It runs 100% locally, significantly reducing token consumption and tool calls.

Spring Boot + Vue admin management system with built-in RBAC permissions, data dictionary, and front/back-end code generators supporting one-click CRUD generation.

A Claude Code plugin that displays real-time context usage, active tools, running agents, and todo progress like a car dashboard — making Claude Code's inner workings completely transparent.

Official Rust project for creating beautiful online books and documentation sites from plain Markdown files, with search, theme switching, and plugin support.

A browser extension for automating workflows by connecting blocks, supports Chrome and Firefox

Chaitin's open-source Web Application Firewall with reverse proxy, rule-based defense, Bot management, and CC protection

A Claude Code skill file designed to stop AI from generating boring, generic slop. Uses taste constraints to make AI produce more tasteful frontend code and interfaces.

MagicUI is a UI animation component library for design engineers, offering copy-paste animated components and visual effects built on React, Tailwind CSS, and Framer Motion.

MaxKB is an open-source enterprise-grade agent platform supporting RAG knowledge bases, multi-model integration, and visual workflow orchestration to help businesses quickly build AI Q&A systems and customer service agents.

Buzz is an open-source desktop app for transcribing and translating audio offline, powered by OpenAI's Whisper. Supports macOS, Windows, and Linux — ideal for podcasts, meetings, and interviews.

Free and open-source dynamic wallpaper app built on WinUI 3, supporting videos, GIFs, web pages and more to bring your Windows desktop to life.

Tencent's open-source zero-code ORM library where frontend describes data needs via JSON and backend auto-generates APIs and docs

An open-source screen recording tool built with Tauri + Rust, positioning itself as a Loom alternative. Features one-click recording, instant sharing, local-first storage, and clean share pages.

NeurIPS 2022 blind face restoration algorithm based on Codebook Lookup Transformer. Restores blurry, low-resolution, and damaged faces in old photos naturally.

Python toolkit from AllenAI for linearizing PDFs into LLM-readable text formats. Supports high-quality parsing of academic papers, scanned documents, and table-heavy PDFs.

An open-source Agent Operating System built in Rust, featuring 7 pre-built capability packages (Hands), WASM security sandbox, 40+ messaging platform adapters, and 27 LLM provider integrations.

SumatraPDF reader - A lightweight Windows PDF reader supporting multiple document formats

Create beautiful web slides using Claude's frontend skills, code-driven presentations

AI Engineering from Scratch is an open-source course covering LLMs, Agents, MCP, computer vision, reinforcement learning, and more, implemented in Python and Rust.

An open-source file format conversion tool integrated into the Windows right-click context menu. Supports images, videos, audio, and documents. Built on FFmpeg and ImageMagick. Completely free with no ads.

Open-source database DevSecOps platform with schema change approvals, SQL linting, data masking, and GitOps-style database lifecycle management

A curated list of Cloudflare resources including Workers, Pages, Tunnel tools and tutorials

A lightweight pure-frontend media information browsing site supporting Vercel, Docker, and other zero-cost deployment methods with built-in multi-source aggregation and responsive design.

Midscene is an AI-powered, vision-driven UI automation framework from ByteDance's web-infra-dev team. Replace CSS selectors with natural language across Web, Android, and iOS — dramatically reducing E2E test maintenance.

A Chrome extension-based MCP server that exposes browser functionality to AI assistants like Claude

A self-healing browser harness from the browser-use team that connects LLMs directly to your real browser via CDP. The agent writes missing helpers on the fly and reuses them, making it ideal for complex browser automation tasks.

Unofficial revival of the legendary .NET debugger and assembly editor, supporting decompilation, live debugging, and on-the-fly code patching.

A human-centered web agent research prototype from Microsoft Research, built on the AutoGen framework with visual browser automation.

NAS media library automation tool supporting PT download integration, smart identification, multi-source metadata scraping, subtitle matching, and hardlink organization for a hands-off private media server.

A library of 754 structured cybersecurity skills for AI agents, mapped to 5 frameworks including MITRE ATT&CK and NIST CSF, supporting 20+ platforms including Claude Code and Cursor.

Collection of 66 specialized Claude Code skill files for full-stack developers covering frontend, backend, DevOps, AI, and security domains for expert-level AI assistance.

Apache ShardingSphere distributed scheduled job framework supporting task sharding, elastic scaling, failover, job governance, and built-in admin console. Built for large-scale scheduling scenarios.

Java annotation processor that generates type-safe bean mapping code at compile time with zero reflection overhead. Supports nested objects, collections, and Java Records.

A practical Douyin batch downloader supporting videos, galleries, collections, and music without watermarks

IMG.LY's open-source in-browser background removal library running on ONNX without server uploads

A classic PC game preservation project that collects and archives disc images of discontinued games, with detailed metadata, technical info, and modern runtime solutions.

Official Firecrawl MCP Server that adds web scraping, bulk crawling, search, and structured data extraction to Claude, Cursor, and other LLM clients.

An intelligent natural-language-to-SQL system using LLMs and RAG for conversational data analysis

VSCode extension for visual Claude Code workflow editing with slash commands, sub-agent orchestration, and MCP tool integration

Open-source Software Defined Telecom Stack supporting VoIP/SIP/WebRTC on any hardware

Open-source quadruped robot motion control framework for Arduino and Raspberry Pi, providing complete kinematics algorithms, gait control, and motion choreography to build your own robot pet from scratch.

A lightweight Java micro-framework and utility collection with zero dependencies, covering HTTP client, JSON parser, IOC container, HTML parser, and more. Use only what you need.

Self-hosted music management tool that searches and downloads songs from multiple platforms, auto-uploads to NetEase Cloud storage, and un-greys unavailable songs. Docker deployment supported.

High-quality prompt collection for Doubao Nano Banana Pro model, featuring creative prompts for photorealistic portraits, concept design, and illustration styles.

Open-source Moonlight Android client based on NVIDIA GameStream protocol. Stream PC games to your phone with low latency, high quality, completely free.

AI-powered recipe generation platform supporting China's eight major cuisines and international dishes, with nutrition analysis, wine pairing, AI food images, and sauce design. Built with Vue 3 + TypeScript.

A curated definitive list of the best open-source consumer software, featuring 807 quality projects across 88 categories including AI, media, security, and productivity, each tagged with risk alerts, platform support, and highlight badges.

Go-based OpenAI API management and distribution system supporting unified multi-model access, statistics monitoring, user quota management, channel failover, and enhanced non-OpenAI model function calling.

A desktop GUI for Elasticsearch, supporting desktop app, browser extension, Docker, and self-hosted deployment

A Path of Exile loot filter using sophisticated item tiering and visual markers to help players quickly identify valuable drops. Supports economy-data-driven dynamic adjustment and online visual configuration.

pgbackweb is a user-friendly web interface for PostgreSQL backups, supporting multiple storage backends, automatic cleanup policies, and encryption to make database backups simple and visual.

Enhanced version of Fiddler Everywhere with additional request/response editing features, script extension support, and performance optimizations for web debugging.

Stable Diffusion inference framework optimized for CPUs and AI PCs. Leverages OpenVINO and LCM to generate images quickly on devices without dedicated GPUs.

Lightweight JavaScript fake data generation library carrying on the Faker ecosystem tradition — generating realistic mock data for testing, development, and automation.

A curated learning resource on search engine principles by Wang Shusen, covering retrieval models, learning to rank, and indexing architecture. Ideal for developers and algorithm learners who want to understand how search engines work under the hood.

Open-source cross-browser bookmark syncing tool with end-to-end encryption. Store data on a cloud service you choose or self-host. Full control over your bookmarks.

A zero-annotation-intrusion Java API documentation generator based on source code analysis, supporting HTML, Markdown, Postman, OpenAPI, and more.

Pure frontend TypeScript stamp drawing library supporting circular seals, oval stamps, square stamps with customizable text, borders, stars, aging effects. Exports PNG/SVG/Base64.

YouTube video to Bilibili upload tool with automatic download, transcoding, and upload

Open-source AI model proxy router aggregating hundreds of free API quotas. One-click integration for local projects, compatible with OpenAI SDK format.

An AI skill for Claude Code and OpenClaw that recommends from 10,000+ Nano Banana Pro (Gemini) image generation prompts. Features smart search by use case, content remix mode, and sample image previews.

A zero-config documentation generator that turns Markdown into production-ready doc sites in seconds. No React, no complex setup, with themes, plugins, and Docker support.

A graphical macOS application for the Inject framework, providing a native SwiftUI interface to simplify application injection workflows without requiring command-line operations.

A JavaScript standard data structure library benchmarking against C++ STL. Supports priority queues, red-black trees, deques, ordered sets, and more advanced structures for algorithm competitions and real-time data processing.

ClickRun is a lightweight mouse auto-clicker written in C, open-source and free, supporting customizable click intervals and hotkey toggle. Ideal for web form bulk operations and game automation.

A JavaScript automation script collection for Qinglong panel focused on JD.com tasks, including asset queries, CK validation, enhanced notifications, price protection, and parallel task execution.

Obsidian note sync plugin supporting WebDAV and GitHub backends, bidirectional/upload-only/download-only modes, optional end-to-end encryption, Markdown link conversion, selective sync rules.

A Shell-based Claude development environment with integrated code review, security analysis, and AI agents that makes Claude truly act like your technical co-founder.

Spring Data JPA extension with template-based dynamic queries via Freemarker/Velocity — flexible SQL like MyBatis while keeping JPA's simplicity

A Bootstrap and Material Design-inspired LuCI theme for OpenWrt and Alpha OS, bringing a modern facelift to router admin panels with mobile responsiveness.

Desktop app built on Tauri that converts Markdown files to beautifully formatted PDFs, completely offline with live preview and theme customization.

An open-source all-in-one whiteboard built on the Plait plugin architecture. Supports mind maps, flowcharts, freehand drawing, Markdown-to-mind-map conversion, and Mermaid syntax for flowcharts. Self-hostable with PNG and .drawnix export.

A lightweight file server in your browser, letting you quickly set up file services in any web environment for easy browser-to-filesystem interaction.

OpenWrt build and update repository supporting X86, R2C, R2S, R4S, R5S, N1, Xiaomi and more devices with OTA auto-upgrade

Cross-platform AI coding agent skill manager supporting Claude Code, Cursor, Copilot, and more

iOS developer toolkit featuring IPA resigning, icon cropping, and asset extraction

A lightweight Certificate Authority CLI tool for homelab and small-office environments, featuring age-encrypted private keys, hardware token support, and automated deployment.

A Java + Eclipse based Android GPS location spoofing tool that uses system-level debug APIs to fake location without root access, featuring Baidu Maps integration for visual point selection.

A JavaScript tool that converts Markdown to WeChat official account article format

Personal DIY script collection, a small JavaScript automation tool project.

Curated collection of 'build X from scratch' tutorials covering operating systems, databases, compilers, network protocols, and more

Anthropic's official open-source terminal AI coding assistant supporting natural language codebase control, automated Git workflows, and batch tasks