Best Free IDE & Code Editors Tools

Free Fortran & C/C++ IDE. Open Source and runs on Windows,macOS & Linux. Best for open source projects.

An Open Source IDE to develop real, Gradle-based Android applications on Android devices. Best for open source projects.

A free Java Development Environment designed for beginners, used by millions worldwide. Powered by Oracle & simple GUI to help beginners.

BBEdit is a popular and extensible editor for macOS. Free Mode provides a [powerful core feature set](https://www.barebones.com/products/bbedit/comparison.html) and an upgrade path to advanced features.

Online development environment for PHP

Converts Figma designs into dynamic Flutter and React applications. Its code generation technology is designed to optimize workflows for building production-ready mobile and web experiences.

Development Environment, Tooling Platform and Application Framework.

Code snippet organizer with labels and support for 100+ programming languages.

Android Studio provides the fastest tools for building apps on every type of Android device. Open Source IDE is free for everyone and the best Android app development. Available for Windows, Mac, Linux, and even ChromeOS! Best for open source projects.

A cloud programming playground well-suited for running code snippets. Supports various programming languages. No registration is required for running code, but it is necessary when saving code on their platform. Also offers free courses for beginners and intermediate-level coders.

A free cloud-based code snippet manager for personal and collaborative code. Best for personal projects.

A C#-specific tool that generates boilerplate code on the fly during compilation to keep source code clean. It is free for open-source projects; its commercial-friendly free tier includes up to three aspects.

Browser-based IDE with WebContainers — unlimited public projects and GitHub repos. Runs Node.js natively in the browser with no remote server. Instant environment setup, offline support Best for unlimited usage needs.

Sublime Text is a popular, versatile, and highly customizable text editor used for coding and text editing tasks.

Fully-featured IDE with thousands of extensions, cross-platform app development (Microsoft extensions available for download for iOS and Android), desktop, web and cloud development, multi-language support (C#, C++, JavaScript, Python, PHP and more). Best for open source projects.

Instant free Linux and IDEs chrome sidebar. The free tier includes 5 VMs per day.

Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

Cloud IDE with AI coding assistant — code completion, debugging, code explanation, unit test generation. 2 GB workspace storage, supports 100+ languages and frameworks

Wave is an open-source, cross-platform terminal for seamless workflows. Render anything inline. Save sessions and history. Powered by open web standards. MacOS and Linux. Best for open source projects.

Web-based and Kubernetes-Native IDE for Developer Teams with multi-language support. Open Source and community-driven. An online instance hosted by Red Hat is available at [workspaces.openshift.com](https://workspaces.openshift.com/). Best for open source projects.

Created by Vercel, v0 generates copy-and-paste friendly React code using shadcn/ui and Tailwind CSS. Free plan: $5 of included monthly credits, 7 messages/day limit. Visual editing with Design Mode, GitHub sync, and deploy to Vercel included. (v0.dev now redirects to v0.app.)

Online compiler and editor for more than 60 programming languages with a free plan for REST API code compiling up to 200 credits per day.

Superseded: As of 2026-09-01, replit.com/pricing reads: The Starter (Free) plan includes daily agent credits, the ability to create anything from slides to apps, a built-in database, and the ability to publish 1 live project. We are not publishing our stored Replit terms beside it — our own pricing change record, discovered 2026-09-01, names them as the previous ones. Read what we recorded ↓ Note — discovered 2026-09-01: The free tier now includes daily agent credits and allows publishing 1 live project.

Free online compiler supporting 70+ languages including Java, Python, C++, JavaScript.

Code components in isolation, visualize them in stories, test them, and publish them on npm.

Develop Web apps in Browser without needing to set up anything. Free Plan offers one server with 24 24-hour lifetime and 4 hours of running time per day with 2 CPU cores, 2 GB RAM, and 1 GB storage.

FlutLab is a modern Flutter online IDE and the best place to create, debug, and build cross-platform projects. Build iOS (Without a Mac) and Android apps with Flutter. Best for open source projects.

Code editor redefined and optimized for building and debugging modern web and cloud applications. Developed by Microsoft.

An AI-powered site builder and editor that generates production-ready frontend code from text prompts, sketches, or resumes. Features include native Android (APK) export and a free tier with 5 generations per month (unlimited via custom Gemini API key). Best for unlimited usage needs.

AI-enabled pair programmer for Claude, GPT4 Series, Grok, Deepseek, Gemini and all frontier models. Works natively with your CLI and integrates seamlessly with any IDE. Free tier includes basic AI model access with local processing.

Front-end code playground — unlimited public pens (HTML/CSS/JS), 1 project with 10 files, asset hosting, embedded previews, console, live collaboration. Supports preprocessors (Sass, LESS, TypeScript) Best for unlimited usage needs.

AI coding assistant by Google — 6,000 code completions/day, 240 chat requests/day, 1,000 Gemini CLI + Agent Mode requests/day (shared pool), powered by Gemini 2.5 on the free Individual tier. Gemini 3 is available to Google AI Ultra subscribers; others can join the waitlist. Available in VS Code, JetBrains IDEs, Android Studio, Cloud Workstations. Requires only a Gmail account, no credit card. 90x more completions than GitHub Copilot free tier

Coding activity tracker via editor plugins — 1-week dashboard history, 1 programming goal, weekly email reports, public leaderboard. Supports 60+ IDEs including VS Code, JetBrains, Vim

In-browser IDE to code web components in isolation with 58 templates available, supporting stories, and tests.

Superseded: As of 2026-08-28, supermaven.com reads: The free tier is $0/month and includes fast, high-quality code suggestions, works with large codebases, and has a 7-day data retention limit. We are not publishing our stored Supermaven terms beside it — our own pricing change record, discovered 2026-08-28, names them as the previous ones. Read what we recorded ↓ Note — discovered 2026-08-28: The free tier now has a 7-day data retention limit. The current pricing page specifies a 7-day data retention limit for the free tier. Additionally, features like adapting to coding style and a 1 million token context window are now Pro-only features.

Free code interview platform with embedded video chat, drawing board, and online code editor where you can compile and run your code on the browser. You can create a remote interview room with just one click.

Cloud development environments — 120 core hours/month (60 hours on 2-core machine) + 15 GB storage free for all GitHub users. Pre-configured dev containers with VS Code in browser

Community-driven, without telemetry/tracking, and freely-licensed binary distribution of Microsoft’s editor VSCode

Visual Studio Code for CS50 is a web app at code.cs50.io that adapts GitHub Codespaces for students and teachers. Best for students.