Open source IntelliJ IDEA alternatives

All IntelliJ IDEA alternatives

1. 

   

   Visual Studio Code

   193.6KstarsLike

   Visual Studio Code is a free source code editor from Microsoft that runs on Windows, macOS, Linux and in the browser. It combines IntelliSense completion, a built-in debugger, Git tools and an integrated terminal with a large extensions marketplace. It is built on the MIT-licensed Code - OSS project and integrates GitHub Copilot for AI chat and agent workflows.

   12 Visual Studio Code alternatives

   Pros

   • Huge extensions marketplace for almost any language or tool
   • Integrated terminal, debugger and Git tools
   • Remote development over SSH, in containers and with WSL

   Cons

   • Official builds include Microsoft telemetry and proprietary components
   • As an Electron app it uses more memory than native editors
   • Large extension setups can slow it down

   Cost / License

   FreeOpen source

   Categories

   Code Editors & IDEs

   Platforms

   WebWindowsMacLinux

   Features

   AI assistantCode completionDebuggerExtensions marketplaceGit integrationRemote development

   Visit websiteMore about Visual Studio Code
2. 

   

   Zed

   91.6KstarsLike

   Zed is a code editor written in Rust by the creators of Atom and Tree-sitter, with a GPU-rendered interface that stays fast on large projects. It includes multiplayer editing, an agent panel that works with several AI models, edit predictions, Git tools, remote development over SSH and an extensions registry. Zed is open source under the GPL and runs on macOS, Linux and Windows; paid plans cover hosted AI usage.

   12 Zed alternatives

   Pros

   • GPU-rendered interface that stays fast on large projects
   • Built-in multiplayer editing and an agent panel for several AI models
   • Open source under the GPL

   Cons

   • Smaller extension ecosystem than VS Code
   • Some IDE features are less mature than in established editors
   • Hosted AI usage requires a paid plan

   Cost / License

   FreemiumOpen source

   Categories

   Code Editors & IDEsAI Coding Assistants

   Platforms

   WindowsMacLinux

   Features

   AI assistantCode completionExtensions marketplaceGit integrationReal-time collaborationRemote development

   Visit websiteMore about Zed
3. 

   

   Neovim

   103KstarsLike

   Neovim is a community-driven fork of Vim that keeps modal editing while modernizing the codebase. It adds first-class Lua scripting, a built-in Language Server Protocol client, Tree-sitter syntax highlighting, an embedded terminal and an RPC API that lets other programs use it as an editing engine. It is free and open source, and popular with developers who build a customized, keyboard-driven setup.

   12 Neovim alternatives

   Pros

   • Lua scripting makes configuration and plugins easier to write
   • Built-in LSP client and Tree-sitter highlighting
   • Fast, keyboard-driven editing that runs anywhere in a terminal

   Cons

   • Modal editing has a steep learning curve
   • Turning it into a full IDE takes time and ongoing plugin maintenance

   Cost / License

   FreeOpen source

   Categories

   Code Editors & IDEs

   Platforms

   WindowsMacLinux

   Features

   API accessCode completionPlugins & extensionsTerminal integration

   Visit websiteMore about Neovim