LanguageTool
Grammar & editingOpen-source grammar and style checker with self-hosting option
- Stars
- ★ 15.2k
- Licence
- LGPL-2.1
- Updated
Alternative to Grammarly, ProWritingAid
Free alternatives to Grammarly
Last updated · 4 options
Quick answer: LanguageTool has the most stars on its repository of the 4 options here (★ 15.2k), followed by Vale (★ 6.3k). Stars show popularity, not fit, so check formats, platforms and licence for your own work.
Cloud grammar and tone checker with free and Premium plans. Here are 4 free options, most-starred first.
Vale
Grammar & editingCommand-line prose linter with custom style guides
- Stars
- ★ 6.3k
- Licence
- MIT
- Updated
Alternative to Grammarly, ProWritingAid
Hemingway Editor
Grammar & editingReadability highlighter for clearer, shorter sentences
- Licence
- Proprietary
- Status
- Freemium
Alternative to Grammarly, ProWritingAid
ProWritingAid
Grammar & editingDeep manuscript editing reports for fiction and non-fiction
- Licence
- Proprietary
- Status
- Freemium
Alternative to Grammarly, Hemingway Editor
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FAQ
Is there a free alternative to Grammarly?
Yes. WriterAlts lists 4 options: LanguageTool, Vale, Hemingway Editor and ProWritingAid.
Which Grammarly alternatives are open source?
LanguageTool (LGPL-2.1) and Vale (MIT). The others are free or freemium but not open source.
Which Grammarly alternatives run on a Mac?
LanguageTool, Vale, Hemingway Editor and ProWritingAid (all of them).
Related categories: Grammar & editing
Free tools are not always drop-in replacements. Check that a tool exports a format your editor, agent or printer accepts, and back up your manuscript before you switch mid-draft.