Hemingway Editor Plus alternatives: 3 open-source picks
These 3 Hemingway Editor Plus alternatives replace it for $0, led by Harper, WritingTool and LanguageTool. All 3 are open source. License, stars and last commit checked by hand on 2026-08-29. No trials, no crippled tiers.
A fast English grammar checker that stays on your device and mostly keeps its opinions to itself.
A LibreOffice extension with long-document checks, style statistics, profiles, and local AI; installing Java is the cover charge.
Grammar, style and spell checker for 30+ languages; run the server locally and keep your prose private.
licenseLGPL-2.1
runsyour server
setupnot verified by us yet — check the repo README
facts verified 2026-08-29
What each one is, in full: LanguageTool
last updated 2026-08-29 · no votes, no pay-to-list · just what's real
how to choose a Hemingway Editor Plus alternative
Easiest to get running
Harper — a one-click install, no server to maintain.
Most proven
Harper, with 14,200 GitHub stars — the largest community of the 3, which usually means more answers when something breaks.
Works on your phone
Harper has a mobile app.
what you give up by leaving Hemingway Editor Plus
- its polished deterministic readability rules and hosted AI allowance
- cross-device sync
- large proprietary style models
- browser and office-suite extensions
- team style guides
None of the picks above covers all of it. The full verdict says which gaps matter.
Hemingway Editor Plus alternatives at a glance
| tool | license | running it | platforms | stars | active |
|---|---|---|---|---|---|
| Harper | open source | one-click install | macos, android, browser-extension | 14,200 | 2026-08 |
| WritingTool | open source | one-click install | macos, windows, linux | 65 | 2026-07 |
| LanguageTool | LGPL-2.1 | docker to self-host | self-hosted, web | 13,000 | 2026-08 |
why people still pay for Hemingway Editor Plus
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.
questions about switching from Hemingway Editor Plus
Is there an open-source alternative to Hemingway Editor Plus?
Yes: Harper, WritingTool, LanguageTool. Every tool on this page is open source: no trials, no crippled tiers.
Can open source really replace Hemingway Editor Plus?
Our verdict is YES. 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. The full verdict, and what you give up by switching, is at caniopensourceit.online/hemingway-editor-plus.
What is the easiest open-source Hemingway Editor Plus alternative to set up?
Harper — a one-click install, no server to maintain.
What is the most popular open-source Hemingway Editor Plus alternative?
By GitHub stars, Harper (14,200). LanguageTool is next with 13,000.
