Master programming by recreating your favorite technologies from scratch.
🦔 PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.
Become a cracked AI/ML Research Engineer
Anti-AI-slop design skill for Claude Code, Cursor, and Codex.
Multi-platform SDK for integrating GitHub Copilot Agent into apps and services
Bonsai Demo
Protocol Buffers - Google's data interchange format
Local-first code intelligence graph for MCP and CLI. Builds a persistent map of your codebase so AI coding tools read only what matters, with benchmarked context reductions on reviews and large-repo workflows.
Open source DocuSign alternative. Create, fill, and sign digital documents ✍️
A coding agent for open models like Kimi K3
A vector index built on TurboQuant, written in Rust with Python bindings
DeepTutor: Lifelong Personalized Tutoring. https://deeptutor.info/.
The open-source CapCut alternative
Multi-platform SDK for integrating GitHub Copilot Agent into apps and services
The ZAP by Checkmarx Core project
OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)
Build distributed, production-grade, long-running agents.
A Minecraft: Java Edition Launcher for Android and iOS based on Boardwalk. Succeeded by https://github.com/AngelAuraMC/Amethyst-Android
Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.
#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere
Termux - a terminal emulator application for Android OS extendible by variety of packages.
Learn Low Level Design (LLD) and prepare for interviews using free resources.
Awesome LeetCode resources to learn Data Structures and Algorithms and prepare for Coding Interviews.
AI-driven database tool and SQL client, The hottest GUI client, supporting MySQL, Oracle, PostgreSQL, DB2, SQL Server, DB2, SQLite, H2, ClickHouse, and more.
Enterprise-grade, commercial-friendly agentic workflow platform for building next-generation SuperAgents.
Conductor is an event driven agentic workflow engine providing durable and highly resilient execution engine for applications and AI Agents
Google core libraries for Java
一个基于 Android 调试 API + 百度地图实现的虚拟定位工具，并且同时实现了一个可以自由移动的摇杆
This repository consists of the code samples, assignments, and notes for the Java data structures & algorithms + interview preparation bootcamp of WeMakeDevs.
Apache Iceberg
Datadog APM client for Java
💼【AI找工作助手】全平台自动投简历脚本：(boss、前程无忧、猎聘、智联招聘)
Open-source IoT Platform - Device management, data collection, processing and visualization.
PDF Parser for AI-ready data. Automate PDF accessibility. Open-source.
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
Open-source code analysis platform for C/C++/Java/Binary/Javascript/Python/Kotlin based on code property graphs. Discord https://discord.gg/vv4MH284Hc
Apache Spark - A unified analytics engine for large-scale data processing
Open-source high-performance RISC-V processor
Gluten is a middle layer responsible for offloading JVM-based SQL engines' execution to native engines.
NVIDIA cuDF for Apache Spark plugin - accelerate Apache Spark with GPUs
The Scala 3 compiler, also known as Dotty.
Apache Kyuubi is a distributed and multi-tenant gateway to provide serverless SQL on data warehouses and lakehouses.
State of the Art Natural Language Processing
Build highly concurrent, distributed, and resilient message-driven applications using Java/Scala
A better build tool for Java, Scala and Kotlin: Simpler than Maven, easier than Gradle, with 3-7x faster dev workflows than other JVM build tools
Open, Modular, Deep Learning Accelerator
SonicBOOM: The Berkeley Out-of-Order Machine
The Guardian’s image management system
Splice repository
Chisel: A Modern Hardware Design Language
Global Workflow Composition that is Scalable, Secure, and GDPR-compliant
Human-AI Collaborative Data Science Using Visual Workflows
An RTL generator for a last-level shared inclusive TileLink cache controller
♞ lichess.org: the forever free, adless and open source chess server ♞
CLI tool for coding agents and developers to query the public API of any Maven JVM dependency — get symbol signatures, list packages, search by name, and inspect dependency trees. Powered by Coursier and tasty-query.
sbt, the interactive build tool
An Agile RISC-V SoC Design Framework with in-order cores, out-of-order cores, accelerators, and more
翻墙-科学上网
hanime1的三方客户端，提高了一些播放体验
Scaffold for building custom tools for the Light Phone III
The Kotlin Programming Language.
Painless E2E Automation for Mobile and Web
Fantasy Inspired Idle Skilling Game
A Kernel based root solution for Android
💊 Application to use ReVanced on Android
A modern Android music app with ad-free streaming, synced lyrics, offline playback, and an intuitive user experience.
我的自用安卓输入法，基于Rime 构建，部分功能由本人设计的本地AI模型驱动，支持五笔/拼音/自定义方案。
Free and open source manga reader for Android
🦭 Video/Audio Downloader for Android, based on yt-dlp
An open-source auto clicker on images for Android
The Github home of Orbot: Tor on Android (Also available on gitlab!)
使用 Material Design 3 全新设计的阅读 3.0
The most powerful AI agent and AI chat software on Android/Operit是一款Android上能力最为强大、发展最久的AI Agent
Lightning-Fast, On-Device, Multilingual TTS — running natively via ONNX.
AeroSpace is an i3-like tiling window manager for macOS
A library for building applications in a consistent and understandable way, with composition, testing, and ergonomics in mind.
FineTune, a macOS menu bar app for per-app volume control, multi-device output, audio routing, and 10-band EQ. Free and open-source alternative to SoundSource.
An experimental Gecko-based web browser for iOS 13+.
🖥 Control your display's brightness & volume on your Mac as if it was a native Apple Display. Use Apple Keyboard keys or custom shortcuts. Shows the native macOS OSDs.
Used to integrate the Facebook Platform with your iOS & tvOS apps.
A toolkit for SQLite databases, with a focus on application development
A lightweight, pure-Swift library for downloading and caching images from the web.
Event-driven network application framework for high performance protocol servers & clients, non-blocking.
An iOS library to natively render After Effects vector animations
The Swift Programming Language
Elegant HTTP Networking in Swift
A Mac utility that automatically downloads macOS Firmwares / Installers.
Stripe iOS SDK
A curated list of awesome iOS ecosystem, including Objective-C and Swift Projects
🦔 PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.
Local-first code intelligence graph for MCP and CLI. Builds a persistent map of your codebase so AI coding tools read only what matters, with benchmarked context reductions on reviews and large-repo workflows.
A vector index built on TurboQuant, written in Rust with Python bindings
DeepTutor: Lifelong Personalized Tutoring. https://deeptutor.info/.
Official, AWS-supported MCP servers, skills, and plugins to help AI agents build on AWS
100+ AI Agent & RAG apps you can actually run — clone, customize, ship.
Learn it. Build it. Ship it for others.
AI coding assistant skill (Claude Code, Codex, OpenCode, Cursor, Gemini CLI, and more). Turn any folder of code, SQL schemas, R scripts, shell scripts, docs, papers, images, or videos into a queryable knowledge graph. App code + database schema + infrastructure in one graph.
The HIP Environment and ROCm Kit - A lightweight open source build system for HIP and ROCm
分享 GitHub 上有趣、入门级的开源项目。Share interesting, entry-level open source projects on GitHub.
A cryptocurrency trading API with more than 100 crypto and prediction exchanges in JavaScript / TypeScript / Python / C# / PHP / Go / Java
⭐️ Companies that don't have a broken hiring process
draw.io is a JavaScript, client-side editor for general diagramming.
a free and opensource app that lets you gain an unfair advantage
Official remote MCP server for Atlassian. Securely connect Jira, Confluence, Jira Service Management, Bitbucket, and Compass to Claude, ChatGPT, Cursor, VS Code, and other AI tools using OAuth 2.1 or API tokens.
Marketing skills for Claude Code and AI agents. CRO, copywriting, SEO, analytics, and growth engineering.
Modular logistics and supply chain operating system (LSOS)
PairDrop: Transfer Files Cross-Platform. No Setup, No Signup.
A browser based code editor
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.
A WhatsApp client library for NodeJS that connects through the WhatsApp Web browser app
한국인을 위한 스킬 모음집 - SRT, KTX, 카카오톡, 한글과컴퓨터, 날씨, 미세먼지, 법령, 주식정보, 조선왕조실록, KBO, K-리그, LCK, 특허 검색, 토스 증권, 맞춤법 검사, 중고차 가격, 쿠팡, 네이버 블로그, 다이소, 올리브영, 택배 송장 조회 등등...
A fancy self-hosted monitoring tool
开箱即用的AI标书编写工具，标书AI生成工具，投标工具箱、知识库、标书查重、废标项检查，完全开源免费，欢迎使用
LLM Frontend for Power Users.
An HTTP/1.1 client, written from scratch for Node.js
Become a cracked AI/ML Research Engineer
The open-source CapCut alternative
Skills for Design Engineers
🤯 LobeHub is your Chief Agent Operator, organizing your agents into 7×24 operations by hiring, scheduling, and reporting on your entire AI team.
The most advanced free and open-source browser fingerprinting library
Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.
The open source coding agent.
Sourcebot is a self-hosted tool that helps humans and agents understand your codebase.
💖🧸 Self hosted, you-owned Grok Companion, a container of souls of waifu, cyber livings to bring them into our worlds, wishing to achieve Neuro-sama's altitude. Capable of realtime voice chat, Minecraft, Factorio playing. Web / macOS / Windows supported.
Web dashboard for Hermes Agent — multi-platform AI chat, session management, scheduled jobs, usage analytics
Bash for Agents
A modern and elegant dashboard for network traffic visualization and analysis.
🔥 Clone and recreate any website as a modern React app in seconds
KAI Scheduler is an open source Kubernetes Native scheduler for AI workloads at large scale
Open device management
Linux virtual machines, with a focus on running containers
The AWS Provider enables Terraform to manage AWS resources.
scrape data from Google Maps. Extracts data such as the name, address, phone number, website URL, rating, reviews number, latitude and longitude, reviews,email and more for each place
An HTTP toolkit for security research.
Agent Substrate: the core system
🏔 Love Freedom - ❌ Block Mass Surveillance
Beads - A memory upgrade for your coding agent
Build and run containers leveraging NVIDIA GPUs
Open Source Continuous File Synchronization
The open source control plane for agentic engineering.
🌱 Private, quiet space for thinking. Simple app for .md files. AI-friendly.
Open Source realtime backend in 1 file
OpenBao is a software solution to manage, store, and distribute sensitive data including secrets, certificates, and keys.
🌩 Self-hosted file management and sharing system, supports multiple storage providers
High-Performance server for NATS.io, the cloud and edge native messaging system.
AO is an agent IDE, that helps developers manage fleets of coding agents to do your day to day tasks for parallel coding agents. It comes with an agentic orchestrator that plans tasks, spawns agents, and autonomously handles CI fixes, merge conflicts, and code reviews.
面向 Grok Build、Grok Web 与 Grok Console 的多账号 API 网关
🤖 AI Gateway | AI Native API Gateway
Open-source LLM knowledge platform: turn raw documents into a queryable RAG, an autonomous reasoning agent, and a self-maintaining Wiki.
A coding agent for open models like Kimi K3
Lightweight coding agent that runs in your terminal
YC (S26) | Record how you work and turn that into agents. Local, private, secure. Connect to OpenClaw, Hermes agent and 100+ apps
Open source, composable payments platform | PCI compliant | SaaS and Self-host options | Enables connectivity to multiple payment, payout, fraud, vault and tokenization providers | Uplifts authorization with intelligent routing and revenue recovery | Reduce payment processing costs with cost observability | Reduces payment ops with reconciliation
Memory layer for AI Agents. Replace complex RAG pipelines with a serverless, single-file memory layer. Give your agents instant retrieval and long-term memory.
The GitButler version control client, backed by Git, powered by Tauri/Rust/Svelte
egui: an easy-to-use immediate mode GUI in Rust that runs on both web and native
A Datacenter Scale Distributed Inference Serving Framework
The programming language for agents
A Virtual Machine Monitor for modern Cloud workloads. Features include CPU, memory and device hotplug, support for running Windows and Linux guests, device offload with vhost-user and a minimal compact footprint. Written in Rust with a strong focus on security.
Coding Agent Harness
Code at the speed of thought – Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.
A high-performance observability data pipeline.
A Git extension for tracking the AI-generated code in your repos
🚀2.3x faster than MinIO for 4KB object payloads. RustFS is an open-source, S3-compatible high-performance object storage system supporting migration and coexistence with other S3-compatible platforms such as MinIO and Ceph.
ripgrep recursively searches directories for a regex pattern while respecting your gitignore
📊 Cube Core is open-source semantic layer for AI, BI and embedded analytics