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Automattic/harper

View on GitHub ↗ ★ 17,354 Rust

Offline, privacy-first grammar checker. Fast, open-source, Rust-powered

13 mentions on Hacker News by 10 people: 3 stories, 10 comments · first 2024-08-25 · latest 2026-10-21

Mentions per year 13 mentions · busiest year 2025 (8)
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  1. …multimedia IDE doing crazy stuff which is fine). Oh, and Harper to sharp your English skills: https://github.com/automattic/harper IronCalc looks better than LO Calc performance wise: https://github.com/ironcalc/ironCalc Gnome might be a…
    comment by anthk · 2026-10-21 · in Rust Style Guide
  2. ▲ 2
    harper
    story by bookofjoe · 2026-07-14 · 0 comments
  3. Their "click here for the thing" is broken in the dumbest way The goods: https://github.com/Automattic/harper (Apache 2) Also, 'grammar' in this context is English grammar, not parsers, and no other languages
    comment by mdaniel · 2025-09-12 · in The Grammar Checker That Gets Developers
  4. Open ticket about "don;t" typo, see https://github.com/Automattic/harper/issues/1559
    comment by speckx · 2025-07-14 · in Show HN: Refine – A Local Alternative to Grammarly
  5. Harper? https://github.com/Automattic/harper
    comment by chilipepperhott · 2025-07-14 · in Show HN: Refine – A Local Alternative to Grammarly
  6. ▲ 4
    Harper: Offline, privacy-first grammar checker. Fast, open-source, Rust
    story by internet_points · 2025-06-30 · 0 comments
  7. …and communication, though, English grammar is simple and standard enough. Browsing Harper sources, https://github.com/Automattic/harper/blob/0c04291bfec25d0e93... seems to have a lot of the basics already nailed down. Natural language…
    comment by phoe-krk · 2025-06-21 · in Harper – an open-source alternative to Grammarly
  8. …seems to use a hard coded list of explicit rules, not an LLM https://writewithharper.com/docs/rules https://github.com/Automattic/harper/blob/0c04291bfec25d0e93... "PointIsMoot" => ( ["your point is mute"], ["your point is moot"], "Did you…
    comment by sharkjacobs · 2025-06-20 · in Harper – an open-source alternative to Grammarly
  9. It is available in Autommatic's Github repository: https://github.com/Automattic/harper
    comment by JPLeRouzic · 2025-06-20 · in Harper – an open-source alternative to Grammarly
  10. I don't think it uses an LLM. https://github.com/Automattic/harper
    comment by JPLeRouzic · 2025-06-20 · in Harper – an open-source alternative to Grammarly
  11. ▲ 2
    Harper – English grammar checker for Developers
    story by microflash · 2024-11-10 · 0 comments
  12. While Scramble doesn't seem to respect your privacy, a project I've been working on does. Meet Harper https://github.com/elijah-potter/harper
    comment by chilipepperhott · 2024-09-18 · in Scramble: Open-Source Alternative to Grammarly
  13. …on a better grammar checker, designed to run on-device with next to no resource consumption. https://github.com/elijah-potter/harper
    comment by chilipepperhott · 2024-08-25 · in Ask HN: What are you working on (August 2024)?