77 free code & development AI tools — 43 completely free, 34 with a real free tier. Cursor, Bolt.new, v0 by Vercel and more, 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 real pricing, and compare any two tools side by side to choose the right one in minutes.
Free to use (43)
No paid plan behind them — free or open source, usable as they are.
Exercism — Code practice and mentorship for everyone. Develop fluency in coding. (Free)
Project Euler — A series of challenging mathematical/computer programming problems. (Free)
Roadmap.sh — Community-driven roadmaps, articles, and resources for developers. (Free)
freeCodeCamp — Learn to code — for free. Build projects. Earn certifications. (Free)
CS50 — Harvard University's introduction to the intellectual enterprises of computer science and the art of programming. (Free)
The Odin Project — Your Career in Web Development Starts Here. Our full stack curriculum is free and supported by a passionate open source community. (Free)
MDN Web Docs — The MDN Web Docs site provides information about Open Web technologies including HTML, CSS, and APIs for both Web sites and progressive web apps. (Free)
Full Stack Open — Deep Dive Into Modern Web Development. Learn React, Redux, Node.js, MongoDB, GraphQL and TypeScript in one go! (Free)
Kaggle Learn — Gain the skills you need to do independent data science projects. We pare down complex topics to their key practical components. (Free)
Fast.ai — Making neural nets uncool again. Fast.ai is a non-profit research group focused on deep learning and artificial intelligence. (Free)
Hugging Face Course — This course will teach you about natural language processing (NLP) using libraries from the Hugging Face ecosystem. (Free)
OpenAI Cookbook — The OpenAI Cookbook shares example code and prompts for accomplishing common tasks with the OpenAI API. (Free)
GitHub Skills — Learn how to use GitHub with interactive courses built right into GitHub repositories. (Free)
Linux Journey — Learn the ways of Linux-fu, for free. (Free)
Roadmap.sh DevOps — Step by step guide to becoming a DevOps Engineer in 2024. (Free)
Vercel Docs — Learn how to deploy your applications with Vercel's Frontend Cloud. (Free)
Postman Learning Center — Learn how to use Postman to build, test, and document your APIs. (Free)
OverTheWire — Wargames to help you learn and practice security concepts in the form of fun-filled games. (Free)
Codeium — Ultra-fast free code completion engine integrated seamlessly inside over 40 popular software editors. (Free)
GPT4All — Nomic's open-source desktop app for running LLMs offline on ordinary laptops, with LocalDocs for chatting with your files. (Open Source)
HackerRank — Practice coding, prepare for interviews, and get hired. (Free)
AtCoder — Programming contest site for anyone from beginners to experts. (Free)
SQLBolt — Learn SQL with simple, interactive exercises. (Free)
DevDocs — DevDocs combines multiple API documentations in a fast, organized, and searchable interface. (Free)
Microsoft Learn AI — Discover how Microsoft AI and machine learning products can help you build intelligent apps and solutions. (Free)
TensorFlow Tutorials — Learn how to use TensorFlow with these comprehensive tutorials for all skill levels. (Free)
Docker Docs — Learn how to build, share, and run applications with Docker. (Free)
Git Immersion — A guided tour that walks through the fundamentals of Git, inspired by the premise that to know a thing is to do it. (Free)
Terraform Docs — Learn how to use Terraform to provision and manage infrastructure in any cloud. (Free)
Netlify Docs — Learn how to build and deploy your sites and apps on Netlify. (Free)
Mozilla Observatory — A set of tools to analyze your website and let you know if it is secure. (Free)
Codeforces — Programming competitions and contests platform. (Free)
CodeChef — A competitive programming community and educational initiative. (Free)
IBM SkillsBuild — Free digital learning on tech, workplace skills, and more. Get badges to boost your career. (Free)
Kubernetes Docs — Learn how to use Kubernetes, the open-source system for automating deployment, scaling, and management of containerized applications. (Free)
Jenkins Docs — Learn how to use Jenkins, the leading open source automation server. (Free)
Cline — Open-source coding agent that lives in VS Code and edits files, runs commands and reads the terminal. (Open Source)
Aider — Pair programming in the terminal — it edits your local files and commits to git as it goes. (Open Source)
Ollama — Command-line tool and app for downloading and running open models such as Llama, Gemma, Mistral and DeepSeek on your own computer. (Open Source)
LM Studio — Free desktop app for finding, downloading and chatting with open models locally, with an OpenAI-compatible local server. (Free)
Javatpoint — Javatpoint provides tutorials and interview questions of all technology like java tutorial, android, java frameworks, javascript, ajax, core java, sql. (Free)
Roo Code — An open-source agent in VS Code that reads, edits and runs, with modes for different kinds of task. (Open Source)
Continue — Open-source assistant for VS Code and JetBrains that you point at whichever model you want to use. (Open Source)
Free tier available (34)
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)
Bolt.new — Deploy full-stack web environments in browser using WebContainers. Perfect for prototyping instantly. (Freemium)
v0 by Vercel — Vercel's visual frontend designer. Feed it screenshots or ideas and receive clean, copyable Tailwind UI. (Freemium)
LeetCode — The world's leading online programming learning platform for interview prep. (Freemium)
Frontend Mentor — Improve your front-end coding skills by building real projects. (Freemium)
Windsurf — The first agentic IDE, orchestrating file editing, terminal execution, and context mapping in absolute unison. (Freemium)
CodeRabbit — Your proactive AI pull request reviewer, reducing manual engineering check times down to minutes. (Freemium)
Wix AI Website Builder — Builds a complete Wix website from a short chat about your business, which you can then edit in the Wix Editor. (Freemium)
Softr — No-code builder for client portals, internal tools and dashboards on top of Airtable, Google Sheets and other data sources. (Freemium)
Codecademy — Learn the technical skills to get the job you want. Join over 50 million people choosing Codecademy to start a new career. (Freemium)
DataCamp — Learn the data and AI skills you need online at your own pace—from non-coding essentials to data science and machine learning. (Freemium)
Replit AI — Interactive AI coding companion built directly inside the cloud-hosted Replit software workspace. (Freemium)
Sourcegraph Cody — Feature-rich assistant leveraging huge contextual maps to answer system queries across massive business repositories. (Freemium)
Kuberns — AI-assisted cloud platform that deploys apps straight from a Git repository, detecting the stack and setting up CI/CD and scaling. (Freemium)
Coderbyte — The #1 platform for technical assessments and interview prep. (Freemium)
GeeksforGeeks — A computer science portal for geeks. It contains well written, well thought and well explained computer science and programming articles. (Freemium)
Programiz — Learn to code in Python, C/C++, Java, and other popular programming languages with our easy to follow tutorials, examples, online compiler and references. (Freemium)
v0 — Vercel’s generative UI tool — describe an interface and get React and Tailwind you can paste into a project. (Freemium)
Zed — A fast code editor built in Rust, with collaboration and model-assisted editing built in rather than bolted on. (Freemium)
Tabnine — Privacy-conscious AI autocomplete adapter. Securely trained exclusively on fully validated permissive open repositories. (Freemium)
Amazon Q Developer — Generative AI partner embedded in the AWS environment, giving exact hints on cloud infrastructure operations. (Freemium)
Lovable.dev — Builds full-stack web apps from a chat prompt, with editable code, hosting and a built-in database. (Freemium)
W3Schools — The world's largest web developer site, with tutorials and references on web development languages. (Freemium)
Sifu Yik — Learn AI and Data Science from experts. (Freemium)
Warp — A terminal that takes plain English, explains what a command will do, and keeps your session searchable. (Freemium)
Graphite — Stacked pull requests for teams that ship in small pieces, with automated review on top. (Freemium)
Augment Code — Keeps a whole large codebase in context, so suggestions follow the conventions the repo already uses. (Freemium)
Sourcegraph — Search and navigate code across every repository an organisation has, with assisted answers on top. (Freemium)
Supermaven — Completion tuned for latency — the suggestion is there before you stop typing. (Freemium)
Mutable AI — Automatically refactors codebase architecture and exports pristine, synchronized documentation manuals. (Freemium)