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Helix vs RustRover: catalog facts
Helix	RustRover
Free Free and open source under the MPL 2.0.	Freemium Free for non-commercial use; commercial use requires a paid license.
Windows, macOS, Linux, Command line	Windows, macOS, Linux
Language server and tree-sitter support without installing anything Selection-first editing makes multiple cursors a first-class tool	Deep Rust code analysis with quick-fixes and refactorings Built-in debugger, test runner and profiler
No plugin system, so anything missing stays missing Selection-first keys are genuinely different from Vim muscle memory	Commercial use requires a paid license Heavier than a plain editor with a Rust language server
Downloadable app	Downloadable app
Open source	Closed source
License: MPL-2.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

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