Best Open Source Alternatives to JetBrains IntelliJ

Compare the best free and open-source alternatives to JetBrains IntelliJ — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated August 2026 · 4 alternatives

JetBrains IntelliJ

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Platformsmacos, windows, linux

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JetBrains IntelliJ alternatives compared

Open-source alternatives to JetBrains IntelliJ, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
VS Code	188,107	MIT	macOSWindowsLinux	No	Aug 2026	Visit
Neovim	101,443	Apache-2.0	macOSWindowsLinux	No	Aug 2026	Visit
VSCodium	32,609	MIT	macOSWindowsLinux	No	Jul 2026	Visit
IntelliJ IDEA Open	20,418	Apache-2.0	Linux	No	Aug 2026	Visit