Tech riderRev. 12 Oct 2026
An Gramadóir
- 1Runs onAPI, Linux, Mac, Web, Windows
- 2CostsFree plan
2 lines stated Written from the maker's own pages: cadhan.com

Overview
An Gramadóir is ranked #78 of 88 in grammar checkers on Specifiction, made by An Gramadóir (Saint Louis University). It runs on API, Linux, macOS, Web, Windows. There is a free plan.
An Gramadóir plans and pricing
All plansAn Gramadóir Free GNU General Public License · individual API requests capped at 16k bytes cadhan.com · 12 Oct 2026
Compared on grammar checkers
- Free plan
- Yescadhan.com
Facts
- Purpose
- An Gramadóir is an open source grammar checking engine, currently implemented for Irish.cadhan.com · 12 Oct 2026
- Language development
- The project is intended as a platform for developing natural language processing tools for languages with limited computational resources.cadhan.com · 12 Oct 2026
- Checker components
- Its Perl module provides separate interfaces for sentence segmentation, spell checking, part-of-speech tagging, and grammar checking.cadhan.com · 12 Oct 2026
- Command line
- The command-line interface reads text from standard input and writes errors to standard output.cadhan.com · 12 Oct 2026
- Web interface
- The Irish grammar checker can be tried through a web interface.cadhan.com · 12 Oct 2026
- Platforms
- The project says it has been tested on Linux, BSD, Sun Solaris, DEC alpha, Mac OS X, and Windows.cadhan.com · 12 Oct 2026
- Editor integrations
- The site describes interfaces for Emacs and Vim, and an OpenOffice macro that no longer works with the latest OpenOffice versions.cadhan.com · 12 Oct 2026
- LibreOffice integration
- The site says An Gramadóir can be used within LibreOffice through an extension released in 2014.cadhan.com · 12 Oct 2026
- API
- The web API accepts HTTP POST requests with Irish text and returns a JSON array of grammatical errors.github.com · 12 Oct 2026
- API use
- The API page says the service powers the Gramadóir web interface, An Scéalaí, and command-line clients.github.com · 12 Oct 2026
- API limits
- Individual API requests are capped at 16k bytes, and the page says no rate limits are currently applied.github.com · 12 Oct 2026
- API access
- The API documentation asks new developers to request a unique client identifier and says requests without an approved identifier may eventually be blocked.github.com · 12 Oct 2026
- License
- The engine is released under the GNU General Public License, which the site says permits copying, modifying, or selling it if redistributed versions preserve those freedoms.cadhan.com · 12 Oct 2026
- Intended audience
- The download page describes installation for users who want the Irish checker and a developers' pack for developers creating language packs.cadhan.com · 12 Oct 2026
Company
- Founded
- 2003cadhan.com · 28 Sept 2026
Best An Gramadóir alternatives
See all 20 All accessCh 01 MerciApp Free planFree trialAndroid from €12/mo9.1 All accessCh 02 LanguageTool Free planBrowseriOS Free to start8.9 All accessCh 03 Microsoft Editor Free trialBrowserMac 8.8 All accessCh 04 Sapling Free planFree trialAPI from $5/mo8.8 All accessCh 05 iGrammar Free planFree trialAndroid from $10/mo8.7 All accessCh 06 Grammarly Free planAndroidiOS from $12/mo8.6
Where it ranks on Specifiction
- Best Grammar Checkers in 2026#78 of 88
Is An Gramadóir yours?
Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.
Sources
- cadhan.com/gramadoir/index-en.html· checked 12 Oct 2026
- cadhan.com/gramadoir/sios-en.html· checked 12 Oct 2026
- github.com/kscanne/gramadoir/blob/master/API.md· checked 12 Oct 2026

