A community driven registry service for Model Context Protocol (MCP) servers.
Enjoy our curated collection of examples and solutions. Use these patterns to build your own robust and scalable applications.
12 Lessons to Get Started Building AI Agents
The world's first open-source multimodal creative assistant This is a substitute for Canva and Manus that prioritizes privacy and is usable locally.
Source code for the X Recommendation Algorithm
人人都能用英语
Tesseract Open Source OCR Engine (main repository)
Build, enrich, and transform datasets using AI models with no code
FULL v0, Cursor, Manus, Augment Code, Same.dev, Lovable, Devin, Replit Agent, Windsurf Agent, VSCode Agent, Dia Browser, Xcode, Trae AI, Cluely & Orchids.app (And other Open Sourced) System Prompts, Tools & AI Models.
"AutoAgent: Fully-Automated and Zero-Code LLM Agent Framework"
#1 Locally hosted web application that allows you to perform various operations on PDF files
🚀 Beautiful, fast and modern React UI library. (Previously NextUI)
Let's upgrade cheap off-the-shelf robotic mowers to modern, smart RTK GPS based lawn mowing robots!
🔥 MaxKB is an open-source platform for building enterprise-grade agents. MaxKB 是强大易用的开源企业级智能体平台。
Scripts to build a trimmed-down Windows 11 image.
The new Windows Terminal and the original Windows console host, all in the same place!
#1 Locally hosted web application that allows you to perform various operations on PDF files
Conductor is an event driven orchestration platform providing durable and highly resilient execution engine for your applications
Digital logic design tool and simulator
《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 代码。简体版和繁体版同步更新，English version in translation
Open Source Identity and Access Management For Modern Applications and Services
LangChain4j is an open-source Java library that simplifies the integration of LLMs into Java applications through a unified API, providing access to popular LLMs and vector databases. It makes implementing RAG, tool calling (including support for MCP), and agents easy. LangChain4j integrates seamlessly with various enterprise Java frameworks.
JDK main-line development https://openjdk.org/projects/jdk
Dex to Java decompiler
Jetpack Media3 support libraries for media use cases, including ExoPlayer, an extensible media player for Android
A Java serialization/deserialization library to convert Java Objects into JSON and back
Spring Security
FTC Android Studio Workspace for robot programming in Android Studio
Apache Lucene open-source search software
Ghidra is a software reverse engineering (SRE) framework
Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.
OpenRefine is a free, open source power tool for working with messy data and improving it
Learn Low Level Design (LLD) and prepare for interviews using free resources.
Graphs for Everyone
Free universal database tool and SQL client
Retail banking sample application showcasing Kubernetes and Google Cloud
Mirror of Apache Kafka
Source code for the X Recommendation Algorithm
An open-source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs
Apache Spark - A unified analytics engine for large-scale data processing
sbt, the interactive build tool
An open protocol for secure data sharing
The Scala 3 compiler, also known as Dotty.
An Agile RISC-V SoC Design Framework with in-order cores, out-of-order cores, accelerators, and more
A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.
Chisel: A Modern Hardware Design Language
Gluten is a middle layer responsible for offloading JVM-based SQL engines' execution to native engines.
♞ lichess.org: the forever free, adless and open source chess server ♞
Scala language server with rich IDE features 🚀
The Flix Programming Language
Spark: The Definitive Guide's Code Repository
TheHive: a Scalable, Open Source and Free Security Incident Response Platform
Open-source code analysis platform for C/C++/Java/Binary/Javascript/Python/Kotlin based on code property graphs. Discord https://discord.gg/vv4MH284Hc
Rocket Chip Generator
Spark RAPIDS plugin - accelerate Apache Spark with GPUs
Table utils, one line CSV imports - a table is a Iterator (or iterable) of a `Named Tuple` or `Product`
The Community Maintained High Velocity Web Framework For Java and Scala.
Reference applications for funding, operating, and incentivizing the use of a decentralized, public Canton synchronizer. Includes the Amulet reference application for creating native payment utilities for Canton synchronizers and Daml applications.
Removes large or troublesome blobs like git-filter-branch does, but faster. And written in Scala
workbench identity and access management
Painless E2E Automation for Mobile and Web
Android app for streaming and downloading media.
The Kotlin Programming Language.
An Android TV and mobile app to stream movies and TV shows for free
YouTube Music client for Android
短信转发器——监控Android手机短信、来电、APP通知，并根据指定规则转发到其他手机：钉钉群自定义机器人、钉钉企业内机器人、企业微信群机器人、飞书机器人、企业微信应用消息、邮箱、bark、webhook、Telegram机器人、Server酱、PushPlus、手机短信等。包括主动控制服务端与客户端，让你轻松远程发短信、查短信、查通话、查话簿、查电量等。（V3.0 新增）PS.这个APK主要是学习与自用，如有BUG请提ISSUE，同时欢迎大家提PR指正
🪐 Markdown with superpowers — from ideas to papers, presentations and books.
Static code analysis for Kotlin
Datadog SDK for Android (Compatible with Kotlin and Java)
AI agents can now use real Android, just like a human.
A search-focused Android launcher
Legado 3.0 Book Reader with powerful controls & full functions❤️阅读3.0, 阅读是一款可以自定义来源阅读网络内容的工具，为广大网络文学爱好者提供一种方便、快捷舒适的试读体验。
Dune is a Jellyfin Android tv Client
Square’s meticulous HTTP client for the JVM, Android, and GraalVM.
The Magic Mask for Android
Media server for comics/mangas/BDs/magazines/eBooks with API, OPDS, Kobo Sync and KOReader Sync support
Compose Multiplatform, a modern UI framework for Kotlin that makes building performant and beautiful user interfaces easy and enjoyable.
A powerful and extensible multiplatform chart library.
A fully functional Android app built entirely with Kotlin and Jetpack Compose
AWS Toolkit for JetBrains - a plugin for interacting with AWS from JetBrains IDEs
DuckDuckGo Android App
A collection of samples to discuss and showcase different architectural tools and patterns for Android apps.
IdeaVim – A Vim engine for JetBrains IDEs
A library for building applications in a consistent and understandable way, with composition, testing, and ergonomics in mind.
A private messenger for iOS.
Elegant HTTP Networking in Swift
A dependency management library inspired by SwiftUI's "environment."
A lightweight, pure-Swift library for downloading and caching images from the web.
A toolkit for SQLite databases, with a focus on application development
Plugin and runtime library for using protobuf with Swift
A modern approach to Container-Based Dependency Injection for Swift and SwiftUI.
Lock/unlock your Mac with your iPhone, Apple Watch, or any other Bluetooth LE devices
Microsoft Authentication Library (MSAL) for iOS and macOS
💧 A server-side Swift HTTP web framework.
Used to integrate the Facebook Platform with your iOS & tvOS apps.
Introspect underlying UIKit/AppKit components from SwiftUI
Commonly used data structures for Swift
Beautiful charts for iOS/tvOS/OSX! The Apple side of the crossplatform MPAndroidChart.
📸 Delightful Swift snapshot testing.
A tool to enforce Swift style and conventions.
Async Algorithms for Swift
A virtual platform team for mobile devs who ship
A Swift Autolayout DSL for iOS & OS X
Control the platform power state of your Apple Silicon Mac.
Event-driven network application framework for high performance protocol servers & clients, non-blocking.
📦 Mac App Store command line interface
A simple, decentralized dependency manager for Cocoa
📱 A strongly-typed, caching GraphQL client for iOS, written in Swift.
"AutoAgent: Fully-Automated and Zero-Code LLM Agent Framework"
🔥 MaxKB is an open-source platform for building enterprise-grade agents. MaxKB 是强大易用的开源企业级智能体平台。
一款专注于Ai翻译的工具，一键自动翻译RPG SLG游戏，Epub TXT小说，Srt Vtt Lrc字幕，Word MD文档等等复杂长文本。
[CVPR 2024 Oral] InternVL Family: A Pioneering Open-Source Alternative to GPT-4o. 接近GPT-4o表现的开源多模态对话模型
"AI-Researcher: Autonomous Scientific Innovation" -- A production-ready version: https://novix.science/chat
An open-source RAG-based tool for chatting with your documents.
A list of useful payloads and bypass for Web Application Security and Pentest/CTF
XLeRobot: Practical Dual-Arm Mobile Home Robot for $660
Rembg is a tool to remove images background
Agent Reinforcement Trainer: train multi-step agents for real-world tasks using GRPO. Give your agents on-the-job training. Reinforcement learning for Qwen2.5, Qwen3, Llama, and more!
A feature-rich command-line audio/video downloader
OCR software, free and offline. 开源、免费的离线OCR软件。支持截屏/批量导入图片，PDF文档识别，排除水印/页眉页脚，扫描/生成二维码。内置多国语言库。
Run all your local AI together in one package - Ollama, Supabase, n8n, Open WebUI, and more!
🕵️♂️ Offensive Google framework.
Run, manage, and scale AI workloads on any AI infrastructure. Use one system to access & manage all AI compute (Kubernetes, 17+ clouds, or on-prem).
A tiny JavaScript debugging utility modelled after Node.js core's debugging technique. Works in Node.js and web browsers
A visual no-code/code-free web crawler/spider易采集：一个可视化浏览器自动化测试/数据采集/爬虫软件，可以无代码图形化的设计和执行爬虫任务。别名：ServiceWrapper面向Web应用的智能化服务封装系统。
Simple HTML5 Charts using the <canvas> tag
A fancy self-hosted monitoring tool
开发者边车，github打不开，github加速，git clone加速，git release下载加速，stackoverflow加速
30 days of JavaScript programming challenge is a step-by-step guide to learn JavaScript programming language in 30 days. This challenge may take more than 100 days, please just follow your own pace. These videos may help too: https://www.youtube.com/channel/UC7PNRuno1rzYPb1xLa4yktw
🎆Interactive Online Platform that Visualizes Algorithms from Code
Cross-platform automation framework for all kinds of apps, built on top of the W3C WebDriver protocol
JavaScript 3D Library.
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
jQuery JavaScript Library
Enjoy our curated collection of examples and solutions. Use these patterns to build your own robust and scalable applications.
The world's first open-source multimodal creative assistant This is a substitute for Canva and Manus that prioritizes privacy and is usable locally.
人人都能用英语
Build, enrich, and transform datasets using AI models with no code
🚀 Beautiful, fast and modern React UI library. (Previously NextUI)
High performance self-hosted photo and video management solution.
A MCP for Claude Desktop / Claude Code / Windsurf / Cursor to build n8n workflows for you
🌱 a fast, batteries-included static-site generator that transforms Markdown content into fully functional websites
The Open-Source Multimodal AI Agent Stack: Connecting Cutting-Edge AI Models and Agent Infra
Build your personal knowledge base with Trilium Notes
Fast, easy and reliable testing for anything that runs in a browser.
The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.
free online AI resume editor
What are the principles we can use to build LLM-powered software that is actually good enough to put in the hands of production customers?
Get to green PRs in half the time. Nx optimizes your builds, scales your CI, and fixes failed PRs. Built for developers and AI agents.
Open Source AI coding assistant for planning, building, and fixing code. We frequently merge features from open-source projects like Roo Code and Cline, while building our own vision. Follow us: kilocode.ai/social
Put an end to code hallucinations! GitMCP is a free, open-source, remote MCP server for any GitHub project
A community driven registry service for Model Context Protocol (MCP) servers.
BillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees. Join the discord: https://discord.gg/asfXzBUhZr
Staging repo for development of native port of TypeScript
GOWA - WhatsApp REST API with support for UI, Webhooks, and MCP. Built with Golang for efficient memory use.
Open device management
Temporal service
OpenTelemetry Collector
simple terminal UI for git commands
A helm plugin that shows a diff explaining what a helm upgrade would change
Ingress NGINX Controller for Kubernetes
Go configuration with fangs
Agent for collecting, processing, aggregating, and writing metrics, logs, and other arbitrary data.
Secure environments for developers and their agents
AI coding agent, built for the terminal.
OpenID Connect (OIDC) identity and OAuth 2.0 provider with pluggable connectors
The most customisable and low-latency cross platform/shell prompt renderer
Database migrations. CLI and Golang library.
Declarative Continuous Deployment for Kubernetes
Autoscaling components for Kubernetes
go generate based graphql server library
chat log tool, easily use your own chat data. 聊天记录工具，轻松使用自己的聊天数据
Disk Usage/Free Utility - a better 'df' alternative
Code signing and transparency for containers and binaries
⚡ Better `pre-commit`, re-engineered in Rust
Cross-platform Rust rewrite of the GNU coreutils
An open source payments switch written in Rust to make payments fast, reliable and affordable
Hurl, run and test HTTP requests with plain text.
The Mullvad VPN client app for desktop and mobile
Unofficial Bitwarden compatible server written in Rust, formerly known as bitwarden_rs
Fast Rust bundler for JavaScript/TypeScript with Rollup-compatible API.
⚓ A collection of JavaScript tools written in Rust.
dev tools, env vars, task runner
Counter-Strike: 2 Offset Dumper
Rust tool to detect cell site simulators on an orbic mobile hotspot
🛜 TUI for managing wifi on Linux
Lightweight coding agent that runs in your terminal
🚀 High-performance distributed object storage for MinIO alternative.
Ethereum consensus client in Rust
An extremely fast Python package and project manager, written in Rust.
A graphical server OS optimized for self-hosting
Extremely fast Query Engine for DataFrames, written in Rust
ripgrep recursively searches directories for a regex pattern while respecting your gitignore
Visualize streams of multimodal data. Free, fast, easy to use, and simple to integrate. Built in Rust.