WritingTool replaces 4 paid apps
Compare WritingTool with 4 paid apps. Each pairing describes a recorded use case and its limits; check the current license, feature availability and hosting requirements at the source.
licenseLGPL-2.1
runson your machine
installInstall LibreOffice 24.2+, Java 17+, then add the downloaded .oxt LibreOffice extension
enginesLanguageTool rules locally; optional AI rewriting through an OpenAI-compatible API, with local endpoints such as LocalAI specifically supported
dataChecks, profiles and cached document-analysis data run on the local computer; document text is sent away only when a remote LanguageTool or configured AI endpoint is used
setupJava 17 and a recent LibreOffice are mandatory, and users must manually install and approve the extension
source checked 2026-08-14
A LibreOffice extension with long-document checks, style statistics, profiles, and local AI; installing Java is the cover charge.
the catchIt is centered on LibreOffice rather than working continuously across browsers, email and arbitrary desktop apps like Grammarly.
the verdict →all Grammarly alternatives →
A LibreOffice extension with long-document checks, style statistics, profiles, and local AI; installing Java is the cover charge.
the catchIts LanguageTool-based checks are strong inside LibreOffice, but browser, email, mobile, and cross-application coverage are much weaker than LanguageTool's.
the verdict →all LanguageTool alternatives →
A LibreOffice extension with long-document checks, style statistics, profiles, and local AI; installing Java is the cover charge.
the verdict →
A LibreOffice extension with long-document checks, style statistics, profiles, and local AI; installing Java is the cover charge.
the verdict →latest recorded source check 2026-08-14 · up to $420/yr replaced · no votes, no pay-to-list
