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proselint vs LTeX+: catalog facts
proselint	LTeX+
Free Free and open source under the BSD 3-Clause licence.	Free Free and open source under the MPL-2.0 licence.
Windows, macOS, Linux, Command line	Command line
Checks based on established usage guides and editors Works on plain files from the command line	Understands LaTeX, Markdown, Typst and many other markups Works in any editor with an LSP client
English only No graphical interface	Needs an editor client or command-line use; no standalone interface Setup is more technical than a grammar app
Downloadable app	Downloadable app
Open source	Open source
License: BSD-3-Clause	License: MPL-2.0
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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