33 free code & development AI tools — 5 completely free, 28 with a real free tier. Cursor, Bolt.new, v0 by Vercel and more, rated and compared.
Free to explore on AI Master Tools — the independent directory of 654+ AI tools. Search by name or by the job you need done, filter by free, freemium or paid, check ratings and real pricing, and compare any two tools side by side to choose the right one in minutes.
Free to use (5)
No paid plan behind them — free or open source, usable as they are.
Codeium — Ultra-fast free code completion engine integrated seamlessly inside over 40 popular software editors. (Free, rated 4.8/5)
Cline — Open-source coding agent that lives in VS Code and edits files, runs commands and reads the terminal. (Open Source, rated 4.7/5)
Aider — Pair programming in the terminal — it edits your local files and commits to git as it goes. (Open Source, rated 4.7/5)
Roo Code — An open-source agent in VS Code that reads, edits and runs, with modes for different kinds of task. (Open Source, rated 4.6/5)
Continue — Open-source assistant for VS Code and JetBrains that you point at whichever model you want to use. (Open Source, rated 4.5/5)
Free tier available (28)
Freemium: a real free tier with limits, and paid plans once you outgrow it.
Cursor — An AI-first code editor designed for team pair-programming. Edit, test, and write huge repositories cleanly. (Freemium, rated 4.9/5)
Bolt.new — Deploy full-stack web environments in browser using WebContainers. Perfect for prototyping instantly. (Freemium, rated 4.9/5)
v0 by Vercel — Vercel's visual frontend designer. Feed it screenshots or ideas and receive clean, copyable Tailwind UI. (Freemium, rated 4.9/5)
Windsurf — The first agentic IDE, orchestrating file editing, terminal execution, and context mapping in absolute unison. (Freemium, rated 4.8/5)
CodeRabbit — Your proactive AI pull request reviewer, reducing manual engineering check times down to minutes. (Freemium, rated 4.8/5)
Wix ADI — Wix ADI is listed under Code & Development on AI Master Tools, freemium, with a directory rating of 4.8/5. (Freemium, rated 4.8/5)
Softr — Softr is listed under Code & Development on AI Master Tools, freemium, with a directory rating of 4.8/5. (Freemium, rated 4.8/5)
GPT4All — GPT4All appears in the Code & Development section of AI Master Tools' directory, listed as freemium with a 4.8/5 rating. (Freemium, rated 4.8/5)
Replit AI — Interactive AI coding companion built directly inside the cloud-hosted Replit software workspace. (Freemium, rated 4.7/5)
Sourcegraph Cody — Feature-rich assistant leveraging huge contextual maps to answer system queries across massive business repositories. (Freemium, rated 4.7/5)
Kuberns — Kuberns appears in the Code & Development section of AI Master Tools' directory, listed as freemium with a 4.7/5 rating. (Freemium, rated 4.7/5)
v0 — Vercel’s generative UI tool — describe an interface and get React and Tailwind you can paste into a project. (Freemium, rated 4.7/5)
Zed — A fast code editor built in Rust, with collaboration and model-assisted editing built in rather than bolted on. (Freemium, rated 4.7/5)
Tabnine — Privacy-conscious AI autocomplete adapter. Securely trained exclusively on fully validated permissive open repositories. (Freemium, rated 4.6/5)
Amazon Q Developer — Generative AI partner embedded in the AWS environment, giving exact hints on cloud infrastructure operations. (Freemium, rated 4.6/5)
Lovable.dev — AI Master Tools catalogues Lovable.dev in the Code & Development category — freemium, rated 4.6/5 in this directory. (Freemium, rated 4.6/5)
Ollama — AI Master Tools catalogues Ollama in the Code & Development category — freemium, rated 4.6/5 in this directory. (Freemium, rated 4.6/5)
LM Studio — AI Master Tools catalogues LM Studio in the Code & Development category — freemium, rated 4.6/5 in this directory. (Freemium, rated 4.6/5)
Warp — A terminal that takes plain English, explains what a command will do, and keeps your session searchable. (Freemium, rated 4.6/5)
Graphite — Stacked pull requests for teams that ship in small pieces, with automated review on top. (Freemium, rated 4.6/5)
Augment Code — Keeps a whole large codebase in context, so suggestions follow the conventions the repo already uses. (Freemium, rated 4.6/5)
Sourcegraph — Search and navigate code across every repository an organisation has, with assisted answers on top. (Freemium, rated 4.6/5)
Supermaven — Completion tuned for latency — the suggestion is there before you stop typing. (Freemium, rated 4.6/5)
Mutable AI — Automatically refactors codebase architecture and exports pristine, synchronized documentation manuals. (Freemium, rated 4.5/5)
Vercel v0 — Generate UI with AI. (Freemium, rated 4.5/5)
Qodo — Generates tests and reviews changes, aimed at keeping behaviour intact rather than just producing code. (Freemium, rated 4.5/5)
Kiro — An agentic IDE from AWS that works from specs and plans rather than one prompt at a time. (Freemium, rated 4.5/5)
Blackbox AI — Code completion and chat across editors and the browser, with a broad free tier. (Freemium, rated 4.4/5)