The AI tools that developers actually use — from code completion and debugging to documentation and code review.
AI coding tools aren't replacing developers — they're making good ones dramatically faster. The best engineers at top companies have already built AI into their daily workflow. Here's the stack that's actually worth your time.
Cursor is the highest-rated AI code editor in 2025. It's a VS Code fork with AI deeply integrated — chat with your codebase, auto-complete entire functions, and fix bugs with a single prompt. It has a free tier and is used by engineers at companies like OpenAI, Stripe, and Vercel.
For most developers, yes. Cursor has a larger context window (it understands your whole codebase), supports multiple AI models, and has more powerful multi-file editing. Copilot is still solid for quick inline autocomplete, but Cursor wins for anything complex.
Cursor has a free tier that covers most individual developer needs. Notion AI is free to start and is excellent for technical documentation. Both are worth setting up before paying for anything.
Most developers use AI for: writing boilerplate code, explaining unfamiliar codebases, generating unit tests, writing documentation, debugging error messages, and converting code between languages. Cursor handles all of this inside the editor.
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