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RustRover vs Helix: catalog facts
RustRover	Helix
Freemium Free for non-commercial use; commercial use requires a paid license.	Free Free and open source under the MPL 2.0.
Windows, macOS, Linux	Windows, macOS, Linux, Command line
Deep Rust code analysis with quick-fixes and refactorings Built-in debugger, test runner and profiler	Language server and tree-sitter support without installing anything Selection-first editing makes multiple cursors a first-class tool
Commercial use requires a paid license Heavier than a plain editor with a Rust language server	No plugin system, so anything missing stays missing Selection-first keys are genuinely different from Vim muscle memory
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MPL-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.