AI IDEs, copilots, code review, testing, and autonomous developer agents.
AI pair programmer inside your IDE
GitHub Copilot is a widely used AI coding assistant, used by millions of developers. Powered by OpenAI Codex and integrated directly into VS Code, JetBrains, Neovim, and Visual Studio, Copilot suggests whole lines and complete functions in real-time. Copilot Chat allows you to explain code, generate tests, fix bugs, and get documentation through natural language.
The AI-first code editor developers love
Cursor is a VS Code fork that has deeply integrated AI into the entire coding experience. Its Composer feature (Ctrl+I) opens a chat panel where you can describe changes across multiple files and Cursor automatically plans and implements them. The Codebase feature indexes your full repository for deep contextual awareness. Cursor has rapidly become the preferred tool for professional developers working in React, Python, and TypeScript.
Agentic coding environment by Codeium
Windsurf by Codeium is a next-generation AI coding environment that takes an agentic approach to software development. Windsurf's Cascade feature can autonomously plan, write, test, and debug multi-step coding tasks. It maintains a running context of your entire coding session, understanding the evolution of your codebase over time.
Full-stack AI app builder in the browser
Bolt.new from StackBlitz is a browser-based AI app development environment that runs on WebContainers technology. You describe the app you want, and Bolt generates a complete full-stack application — React, Vue, or plain HTML/CSS, with a Node.js backend if needed — and lets you edit, preview, and deploy it without leaving the browser.
AI UI component generator by Vercel
v0 by Vercel is an AI tool that generates beautiful, production-ready React UI components from text prompts or screenshots. Built on Vercel's design system and powered by Claude, v0 produces clean Shadcn UI, Tailwind CSS, and React code that developers can directly copy into their projects or continue iterating in the browser.
AI-powered cloud coding platform
Replit is a browser-based IDE where Replit Agent takes a text description and builds a complete application including database, backend, and frontend, then deploys it to a live URL automatically. For beginners, students, and rapid prototypers, Replit AI offers the fastest path from idea to working application.
Free AI code completion for every developer
Codeium is the best free alternative to GitHub Copilot, offering unlimited AI code completions at no cost for individual developers. It supports 70+ programming languages, integrates with 40+ IDEs (including VS Code, JetBrains, Vim, Emacs, and Sublime Text), and has no monthly token limits on the free tier.
OpenAI's coding agent for refactors, reviews, and automations
Codex in ChatGPT is OpenAI's current coding agent experience for engineering teams. It is designed to handle pull requests, code reviews, refactors, migrations, and other multi-step software tasks with more autonomy than a normal autocomplete assistant. Teams that want to delegate well-scoped engineering work, parallelize changes, or create repeatable coding automations will find it especially relevant.