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<p align="center">
<picture>
<source media="(prefers-color-scheme: dark)" srcset="src-tauri/icons/source/openidea-wordmark-dark.svg">
<img src="src-tauri/icons/source/openidea-wordmark.svg" alt="OpenIDEA" height="56">
</picture>
</p>
<p align="center">
The IDE you know, rebuilt in Rust.
</p>
<p align="center">
<a href="https://github.com/l0ng-ai/openidea/releases/latest"><b>Download</b></a>
&nbsp;·&nbsp;
<a href="#benchmark">Benchmark</a>
&nbsp;·&nbsp;
<a href="#plugins">Plugins</a>
&nbsp;·&nbsp;
<a href="#community">Community</a>
</p>
https://github.com/user-attachments/assets/234dd54c-1255-4b3a-b35c-533d78d737c0
OpenIDEA brings the IntelliJ IDEA way of working — its keymap, its tool windows,
its search-everything habits — to a native app with a Rust core.
Editor, code insight, debugger, Git, terminal, database and HTTP clients,
for 60+ languages. Builds for macOS, Windows and Linux.
## Benchmark
Opening [freqtrade](https://github.com/freqtrade/freqtrade) (Python, ~770 files)
with warm caches, median of 5 runs:
| | OpenIDEA | IntelliJ IDEA 2026.2.3 |
| --------------------------- | ----------------- | ---------------------- |
| Window with the project | **0.9 s** | 3.1 s |
| Ready (CPU settled) | **1.1 s** | 13.2 s |
| Memory (USS, all processes) | **169 MB** | 2011 MB |
| CPU time until ready | **2.4 s** | 47.9 s |
| Idle CPU | **4 %** of a core | 7 % of a core |
| Quit | **0.3 s** | 5.9 s |
A release build of OpenIDEA from `main` and IDEA with default settings and plugins, on
Windows 11, 32-core AMD, 62 GB RAM.
IDEA analyses Python more deeply, so "ready" doesn't mean the same work on
both sides. Both are measured from the outside, the same way: see
[`perf/compare`](perf/compare) to run it on your machine and projects.
## Plugins
Plugins add actions, completion, quick fixes, tool windows, custom editors,
themes, file icons and languages. They run as sandboxed WebAssembly components;
themes, icon themes and languages need no code at all.
Install them from Settings › Plugins, or start your own with
`openidea-plugin new` — see [Writing OpenIDEA plugins](plugins/README.md) and
the [official plugins](plugins/official). The plugin API is still a preview.
## Community
- [Discord](https://discord.gg/2Zy4yn7gP) — questions, feedback and release news.
- WeChat group — scan to join:
<img src="docs/assets/wechat-group.png" alt="WeChat group QR code" width="200">
### Contributors
<a href="https://github.com/l0ng-ai/openidea/graphs/contributors">
<img src="https://contrib.rocks/image?repo=l0ng-ai/openidea&max=100" alt="OpenIDEA contributors">
</a>
## License
[Apache 2.0](LICENSE). Bundled third-party assets are listed in [`THIRD_PARTY_LICENSES.md`](THIRD_PARTY_LICENSES.md).
Database tool window notes, including Oracle Instant Client setup, are in
[`docs/databases.md`](docs/databases.md).
<sub>Not affiliated with JetBrains. IntelliJ IDEA is a trademark of JetBrains s.r.o.</sub>