Can I open-source ProWritingAid?
YES · mature open-source replacementYes. LanguageTool (13k stars), WritingTool (65 stars) are mature open-source replacements for ProWritingAid — self-host with docker and stop paying.
People still pay for ProWritingAid 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 mature report library, integrations, and fiction-specific analysis
xcross-device sync
xlarge proprietary style models
xbrowser and office-suite extensions
xteam style guides
These projects already replace it, free.
LLanguageToolGrammar, style and spell checker for 30+ languages; run the server locally and keep your prose private.open source↗WWritingToolA LibreOffice extension with long-document checks, style statistics, profiles, and local AI; installing Java is the cover charge.open source↗What each one is, in full: LanguageTool
no votes, no pay-to-list · just what's real
ProWritingAid pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| free | $0/user | $0/user | 500 words at a time; 2 runs/report/day; 10 Rephrases/day; 3 Sparks/day |
| premium | $30/user | $10/user | Unlimited word count, Rephrases, report runs and storage; 5 Sparks/day; 1 Chapter Critique/day |
| premium pro | $36/user | $12/user | Unlimited word count/reports; 50 Sparks/day; 3 Chapter Critiques/day; 200+ workshop recordings |
| premium lifetime | custom | — | Same core limits as Premium, including 5 Sparks/day and 1 Chapter Critique/day |
| premium pro lifetime | custom | — | Same core limits as Premium Pro, including 50 Sparks/day and 3 Chapter Critiques/day |
free tier500 words at a time, 2 runs per report per day, 10 Rephrases per day and 3 Sparks per day
billingmonthly + annual + lifetime; monthly/annual subscriptions auto-renew
hidden costsManuscript Analysis, Virtual Beta Reader and Marketability Analysis use separately purchased Story Credits; paid tiers only discount those credits (up to 40% Premium, 65% Premium Pro).
verified 2026-08-12 · source ↗
Can I open-source ProWritingAid?
Yes. LanguageTool replaces ProWritingAid 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 ProWritingAid cost?
ProWritingAid's pricing is usage-based or varies by plan · Monthly Premium rate; annual and lifetime options can lower the effective monthly cost..
What do I lose by replacing ProWritingAid?
Honestly: its mature report library, integrations, and fiction-specific analysis; 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 ProWritingAid?
Yes: LanguageTool (Grammar, style and spell checker for 30+ languages; run the server locally and keep your prose private.) WritingTool (A LibreOffice extension with long-document checks, style statistics, profiles, and local AI; installing Java is the cover charge.)