Open source AI coding agent that runs in the terminal, desktop app, and other interfaces to help with software development tasks.
The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.
Spec-driven development (SDD) for AI coding assistants.
Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.
🙌 OpenHands: AI-Driven Development
StackPrism is a browser extension for detecting website technology stacks.
Agentic Development Environment based on OpenCode AI agent
The open-source studio for making games with AI. Your own one-person game studio. Everything you need to make games with AI, in one app. Game canvas. Bring your own key.
Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..
Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia
A modified web browser that helps in responsive web development. A web developer's must have dev-tool.
Your coding agent for controlled development in the workspace you lead. A Pi-native shell with Organic Driven Development, focused subagents, risk-based native review, live changes and agent views, and permission modes that keep destructive guards.
A utility-first CSS framework for rapid UI development.
VS Code in the browser
Web, Desktop & Mobile client and orchestrator for Codex, Claude Code, OpenCode, Pi, Cursor, Grok, Antigravity, Kimi, Augment Code, Qwen, fully end-to-end encrypted
The ultimate harness for coding agents and beyond. All your agents. All your machines. One command center. Start with code, then follow your curiosity and build across disciplines: CAD, circuits, robots, games and music.
Iranian brand React icons you can copy into your project with a simple CLI.
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.
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.
Vibe code with pi in a lightweight, real IDE that customises itself around the way you work — The Vibe You Need
Local-first agentic development and work environment
A local-first multi-agent app development platform, built on PenguinHarness
Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.
:mailbox: SMTP Server + Web Interface for viewing and testing emails during development.
Emdash is the Open-Source Agentic Development Environment (🧡 YC W26). Run multiple coding agents in parallel. Use any provider.
Fast, extensible build tool for modern web development
Project memory and workflows for Claude Code and Codex. Keep stories, plans, handovers, and review evidence in your repo. Resume across sessions and follow progress in the Mac app.
The fully-stacked web framework
Babylon.js is a powerful, beautiful, simple, and open game and rendering engine packed into a friendly JavaScript framework.
The industry-leading GraphQL client for TypeScript, JavaScript, React, Vue, Angular, and more. Apollo Client delivers powerful caching, intuitive APIs, and comprehensive developer tools to accelerate your app development.
The Concise TypeScript Book: A Concise Guide to Effective Development in TypeScript. Free and Open Source.
A declarative JavaScript library for application development using cloud services.
Lightweight (7MB) terminal-first AI-native development environment
2D JavaScript Physics Engine
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
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.
Templates and workflow for generating PRDs, Tech Designs, and MVP and more using LLMs for AI IDEs
🎮 The best way to play your itch.io games
🎮 Your friendly TypeScript 2D game engine for the web 🗡️
🚀🚀🚀 Unified Development Platform for iOS, tvOS, Android, Android TV, Android Wear, Web, Tizen TV, Tizen Watch, Tizen Mobile, LG webOS, macOS/OSX, Windows, KaiOS, FirefoxOS Firefox TV platforms
Browser-based visual editor for building WebGL, WebGPU, WebXR apps
A powerful meta-prompting, context engineering and spec-driven development system that enables agents to work for long periods of time autonomously without losing track of the big picture
Seamless integration of Vue 3, Bootstrap 5, and TypeScript for modern, type-safe UI development
Battle-tested Claude Code skills for modern xOS (iOS, iPadOS, watchOS, tvOS) development
The Agent Harness for AI-Human Collaboration, inspired by the AI-DLC (AI-Driven Development Lifecycle)
Cabloy is a Node.js fullstack framework for AI vibe coding, with AI Spec-Driven Development guiding work from confirmed specs to verifiable delivery.
Code research platform for AI agents; find, understand, and prove context across your code and all of GitHub, in a fraction of the tokens. One toolset, MCP or CLI
Free premium animated React components and micro-interactions built with Framer Motion and Tailwind CSS
VSCode Remote Development: Open any folder on a remote machine using SSH.
WordPress Studio, a free desktop app and CLI that helps developers streamline their local WordPress development workflow.
Autonomous white-hat security auditor for AI-driven code review, bug bounty research, exploit construction, and execution-grounded verification.
Explore liquid-glass welcome screens with floating stickers and interactive swipe animations.
ACRYL - Agent Context Relay Yielding Lifecycles. One persistent workspace, one canonical context, any coding agent.
Live2D companion with voice, emotional memory, WeChat, and Codex / DeepSeek Harness. macOS-first; Windows in development. Noncommercial only; attribution required.
A live layered dependency map for bottom-up development — MCP server + terminal pane for Claude Code, Codex CLI and any MCP client. Ghost the design first, light nodes up as they are built and verified.
DeepSeek Harness plugin: control the Unity Editor through the unity CLI
A free pit crew for your expensive coding agent: the superpowers development workflow, run by cheap workers.
JHipster is a development platform to quickly generate, develop, & deploy modern web applications & microservice architectures.
AI-powered development workspaces with reusable components, architectural clarity and zero overhead.
Cheatsheets for web development - devhints.io