Listed whether or not they pay us. Prices from each tool's own pricing page, checked Oct 16, 2026.
6 tools · 6 with a free plan · 1 with an API · middle starting price $10 a month
Hemingway Editorhemingwayapp.comReadability editor that highlights hard sentences, passive voice and adverbs; Plus adds AI rewrites and grammar fixes.
ProWritingAidprowritingaid.comGrammar, style and readability checker with in depth line editing reports, rephrasing and story critiques for long form writers.
LanguageToollanguagetool.orgMultilingual grammar, spelling and style checker with AI paraphrasing, browser add ons and team style guides.
Outwriteoutwrite.comGrammar checker and AI rewriter with paraphrasing, style suggestions and a plagiarism checker on paid plans.
Grammar checker built for academic and technical writing, with journal style checks, paraphraser and plagiarism scans.
Ginger Softwaregingersoftware.comGrammar and spelling checker with sentence rephraser, translator and keyboard apps for 40+ languages.
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