The Concise TypeScript Book: A Concise Guide to Effective Development in TypeScript. Free and Open Source.
Self-hosted collection of powerful web-based tools for everyday tasks. No ads, no tracking, just fast, accessible utilities right from your browser!
The adaptive interface system for modern web experiences.
A declarative JavaScript library for application development using cloud services.
List any node_modules π¦ dir in your system and how heavy they are. You can then select which ones you want to erase to free up space π§Ή
Lightweight (7MB) terminal-first AI-native development environment
Open source website builder and Webflow alternative. Webstudio is an advanced visual builder that connects to any headless CMS, supports all CSS properties, and can be hosted anywhere, including with us.
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
Visual Development for React, Vue, Svelte, Qwik, and more
Sandbox for developing and testing UI components in isolation
π§ Rewrite of a fully-featured GraphQL Server with focus on easy setup, performance & great developer experience. The core of Yoga implements WHATWG Fetch API and can run/deploy on any JS environment.
Hardhat is a development environment to compile, deploy, test, and debug your Ethereum software.
FlowGram is an extensible workflow development framework with built-in canvas, form, variable, and materials that helps developers build AI workflow platforms faster and simpler.
π¦π Active development trunk for Yarn β
Podman Desktop is the best free and open source tool to work with Containers and Kubernetes for developers. Get an intuitive and user-friendly interface to effortlessly build, manage, and deploy containers and Kubernetes β all from your desktop.
Open-source, self-hosted CMS platform on AWS serverless (Lambda, DynamoDB, S3). TypeScript framework with multi-tenancy, lifecycle hooks, GraphQL API, and AI-assisted development via MCP server. Built for developers at large organizations.
π A Node.js Serverless Framework for front-end/full-stack developers. Build the application for next decade. Works on AWS, Alibaba Cloud, Tencent Cloud and traditional VM/Container. Super easy integrate with React and Vue. π
πΌ An enterprise-grade Next.js boilerplate for high-performance, maintainable apps. Packed with features like Tailwind CSS, TypeScript, ESLint, Prettier, testing tools, and more to accelerate your development.
Installing Development environment on macOS
Kubernetes based Cloud Development Environments for Enterprise Teams
AI suite powered by state-of-the-art models and providing advanced AI/AGI functions. Includes AI personas, AGI functions, world-class Beam multi-model chats, text-to-image, voice, response streaming, code highlighting and execution, PDF import, presets for developers, much more. Deploy on-prem or in the cloud.
A free, open-source developer workspace. Snippets, notes, HTTP requests, calculations, and dev tools in one local-first app.
Monorepo for tools developed by the Rush Stack community
Self-hosted control plane for AI agents: dispatch tasks, review runs, track spend, and operate OpenClaw, Claude Code, Codex, and other runtimes.
Tutorials, Guides and Agent Skills Directories
:mailbox: SMTP Server + Web Interface for viewing and testing emails during development.
Emdash is the Open-Source Agentic Development Environment (π§‘ YC W26). Run multiple coding agents in parallel. Use any provider.
The GitHub ToolKit for developing GitHub Actions.
(Replaces Next.js/Nuxt) π¨ Build mission-critical applications with stability and development freedom.
PartyKit simplifies developing multiplayer applications
AI-Native Open-Source Next.js commerce. Powered by Stripe. Ultra fast with typesafe Commerce SDK. Built for AI development (Claude, Codex, Cursor).
π¨βπ Turn API specifications into production-ready SDKs, validators, mocks, and more. 20+ plugins. Millions of weekly npm downloads. Used by Vercel, OpenCode, PayPal, AWS, Autodesk, and many more.
The go-to web for your AI coding agent β local-first search, fetch, crawl & research over MCP. No API keys, no cloud, $0/query. Public beta.
Berisi API tentang Data Indonesia ataupun API yang dibuat oleh developer Indonesia <3
Monid - OpenRouter for agent tools. Join our community at https://discord.gg/rQzztcgJV8
2D JavaScript Physics Engine
Orillusion is a pure Web3D rendering engine which is fully developed based on the WebGPU standard.
AI agent framework for plan-first development workflows with approval-based execution. Multi-language support (TypeScript, Python, Go, Rust) with automatic testing, code review, and validation built for OpenCode
A free and self-hosted PaaS alternative to Heroku / Netlify / Coolify / Vercel / Dokku / Portainer running on Kubernetes
Redpanda Console is a developer-friendly UI for managing your Kafka/Redpanda workloads. Console gives you a simple, interactive approach for gaining visibility into your topics, masking data, managing consumer groups, and exploring real-time data with time-travel debugging.
A public gallery of animated pets for Codex, Claude Code, DeepSeek Harness, Hermes, OpenCode, Gemini CLI, and more.
Developer & translator friendly web-based localization platform
The missing DevTools for Claude Code β inspect session logs, tool calls, token usage, subagents, and context window in a visual UI. Free, open source.
AI IDE for hardware development, support Arduino, MicroPython, ESP32, STM32, RP2040, Nrf5x...
Where people and agents build in tune.
β± Broadly scoped ecosystem & mono-repository of 215 TypeScript projects (and ~185 examples) for general purpose, functional, data driven development
The one and only agent harness for complex codebases. Project memory, planning, execution, and verified completion inside Codex.
Extract any websiteβs design system into tokens in seconds: logo, colors, typography, borders & more. One command.
Turn approved specs into long-running autonomous implementation. A minimal, adaptable SDD harness with Agent Skills for Claude Code, Codex, Cursor, Copilot, Windsurf, OpenCode, Gemini CLI, and Antigravity.
Open-source AI coding assistant for VS Code. Coding agent, code completion, chat, edits and reviews with local or hosted models. Your models, your infrastructure.
WPPConnect is an open source project developed by the JavaScript community with the aim of exporting functions from WhatsApp Web to the node, which can be used to support the creation of any interaction, such as customer service, media sending, intelligence recognition based on phrases artificial and many other things, use your imagination
Laminar - open-source observability platform purpose-built for AI agents. YC S24.
π Next.js + Tailwind CSS + TypeScript starter and boilerplate packed with useful development features
Fast, extensible build tool for modern web development
Slack Developer Kit for Node.js
Unleash Nuxt Developer Experience
Native local development environment for Windows, macOS & Linux. A modern alternative to XAMPP, MAMP, Laragon and Laravel Herd, with runtimes, databases, web servers, local sites, HTTPS, AI coding tools and MCP.
Squad: AI agent teams for any project
Templates and workflow for generating PRDs, Tech Designs, and MVP and more using LLMs for AI IDEs
Bubblewrap is a Command Line Interface (CLI) that helps developers to create a Project for an Android application that launches an existing Progressive Web App (PWAs) using a Trusted Web Activity.