Can I open-source Hemingway Editor Plus?
YES · mature open-source replacementYes. Harper (14k stars), LanguageTool (13k stars), WritingTool (65 stars) are mature open-source replacements for Hemingway Editor Plus — self-host in one command and stop paying.
People still pay for Hemingway Editor Plus because the paid tool is already present everywhere they write and its suggestions have been tuned across millions of documents. The recurring cost buys model quality, extension compatibility, dictionaries, releases, and sync, not just the visible interface.
xits polished deterministic readability rules and hosted AI allowance
xcross-device sync
xlarge proprietary style models
xbrowser and office-suite extensions
xteam style guides
These projects already replace it, free.
HHarperA fast English grammar checker that stays on your device and mostly keeps its opinions to itself.open source↗WWritingToolA LibreOffice extension with long-document checks, style statistics, profiles, and local AI; installing Java is the cover charge.open source↗LLanguageToolGrammar, style and spell checker for 30+ languages; run the server locally and keep your prose private.open source↗What each one is, in full: LanguageTool
all 3 open-source alternatives to Hemingway Editor Plus →· no votes, no pay-to-list · just what's real
Hemingway Editor Plus pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| free web editor | $0 | $0 | Unlimited readability scoring and highlights; 0 AI sentence rewrites |
| individual 5k | $10/user | $8.33/user | 5,000 AI sentence rewrites/month; unlimited advanced grammar fixes, feedback and highlights |
| individual 10k | $15/user | $12.50/user | 10,000 AI sentence rewrites/month; unlimited advanced grammar fixes, feedback and highlights |
| team 10k | $15/user | $12.50/user | 10,000 AI sentence rewrites/month/user; per-user licenses; admin-only members can manage billing without a paid license |
free tierUnlimited readability grade scoring and issue highlights, but 0 AI sentence rewrites and no Plus-only advanced grammar or file import/export
billingmonthly + annual (about 17% off); 2-week no-card trial is not a free tier
hidden costsAI usage is capped per month by sentence count; a multi-sentence rewrite consumes one credit per sentence, and Team pricing scales per licensed user.
verified 2026-08-12 · source ↗
Can I open-source Hemingway Editor Plus?
Yes. Harper replaces Hemingway Editor Plus today — self-host it on your own server or machine with no subscription. The full list of open-source alternatives is on this page.
How much does Hemingway Editor Plus cost?
Hemingway Editor Plus's pricing is usage-based or varies by plan · Typical entry paid tier; usage allowance and billing options can change..
What do I lose by replacing Hemingway Editor Plus?
Honestly: its polished deterministic readability rules and hosted AI allowance; cross-device sync; large proprietary style models; browser and office-suite extensions; team style guides. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to Hemingway Editor Plus?
Yes: Harper (A fast English grammar checker that stays on your device and mostly keeps its opinions to itself.) WritingTool (A LibreOffice extension with long-document checks, style statistics, profiles, and local AI; installing Java is the cover charge.) LanguageTool (Grammar, style and spell checker for 30+ languages; run the server locally and keep your prose private.) All 3 curated open-source alternatives are at caniopensourceit.online/hemingway-editor-plus/alternatives.