Writing and content
RewriteBar alternatives
2 open-source projects that already do this job. Free to use - not free to run, which is what the numbers on the right are for.
The projects
Automattic/harperOffline, privacy-first grammar checker. Fast, open-source, Rust-poweredOpen on GitHub ↗languagetool-org/languagetoolStyle and Grammar Checker for 25+ LanguagesOpen on GitHub ↗
What you give up either way
- RewriteBar Gateway cloud credits, pre-bundled premium models and included cloud credits
- Polished macOS packaging, installer, and App Store/distribution flows
- PopClip extension and prebuilt prompt library
- Priority support and refund/renewal workflows
An open-source project doing the core job proves a replacement is possible. It does not prove it matches RewriteBar, and it does not prove anyone has run it for a month. How we decide.