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RustRover vs Lapce: catalog facts
RustRover	Lapce
Freemium Free for non-commercial use; commercial use requires a paid license.	Free Free and open source under Apache 2.0.
Windows, macOS, Linux	Windows, macOS, Linux
Deep Rust code analysis with quick-fixes and refactorings Built-in debugger, test runner and profiler	Native Rust with GPU rendering, so it starts and scrolls faster than Electron editors Language Server Protocol support built in for completion, diagnostics and code actions
Commercial use requires a paid license Heavier than a plain editor with a Rust language server	Still pre-1.0; the last tagged release is from January 2026 Plugin ecosystem is tiny compared with VS Code
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.