{
 "schemaVersion": 1,
 "generated": "2026-10-30",
 "dataLicense": "CC BY-SA 4.0",
 "license": "CC BY-SA 4.0",
 "notice": "Data from Open Source Everything (https://opensourceeverything.org), licensed CC BY-SA 4.0: use it freely, credit the site, link to the page, and share changes under the same license. Listings were drafted with AI assistance and are managed by the r/TrueOpenSource moderators; check a project's own page before relying on a fact.",
 "id": "writing-assistant",
 "name": "Grammar & writing checker",
 "page": "https://opensourceeverything.org/g/writing-assistant/",
 "category": "office",
 "categoryName": "Office & productivity",
 "job": "Checking spelling, grammar and style as you write",
 "closedApps": [
  "Grammarly"
 ],
 "coverage": "one-full",
 "alternatives": [
  {
   "id": "languagetool",
   "name": "LanguageTool",
   "page": "https://opensourceeverything.org/p/languagetool/",
   "summary": "LanguageTool checks spelling, grammar and style in more than 30 languages. You can run the open-source checker on your own server so your writing never leaves your hands. The company's own apps and extensions add paid features.",
   "kind": "self_hosted",
   "setup": "advanced",
   "setupWhy": "You run it on your own server (a computer you set up and keep running), or from the command line.",
   "platforms": [
    "server"
   ],
   "license": "LGPL-2.1",
   "licenseClass": "open",
   "licenseNeedsCheck": false,
   "stars": 15199,
   "forks": null,
   "status": "active",
   "verified": false,
   "latestRelease": null,
   "code": "https://github.com/languagetool-org/languagetool",
   "website": "https://languagetool.org",
   "download": null,
   "release": null,
   "family": null,
   "familyChildren": [],
   "howToHelp": null,
   "project": "languagetool",
   "rank": 1,
   "fit": "full",
   "note": "Run the checker on your own server; no AI rewriting",
   "why": "Does the whole job · Advanced setup",
   "score": 64.5
  },
  {
   "id": "harper",
   "name": "Harper",
   "page": "https://opensourceeverything.org/p/harper/",
   "summary": "Harper is a fast grammar and spell checker that runs entirely on your own computer, so nothing you write is sent anywhere. It works in code editors and as a browser add-on, in English.",
   "kind": "developer_tool",
   "setup": "advanced",
   "setupWhy": "Made for developers: you use it from code or the command line.",
   "platforms": [
    "web",
    "windows",
    "mac",
    "linux"
   ],
   "license": "Apache-2.0",
   "licenseClass": "open",
   "licenseNeedsCheck": false,
   "stars": 17151,
   "forks": null,
   "status": "active",
   "verified": false,
   "latestRelease": null,
   "code": "https://github.com/automattic/harper",
   "website": "https://writewithharper.com",
   "download": null,
   "release": null,
   "family": null,
   "familyChildren": [],
   "howToHelp": null,
   "project": "harper",
   "rank": 2,
   "fit": "partial",
   "note": "English only; runs on your computer; fewer style tips",
   "why": "Does part of the job · Advanced setup",
   "score": 32.7
  }
 ],
 "source": "https://opensourceeverything.org/g/writing-assistant/",
 "group": "Grammar & writing checker",
 "replaces": [
  "Grammarly"
 ]
}