AI · alternatives · 2026

24 alternatives to Grammify

Open source Grammarly alternative, using your own OpenAI API

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Grammify launched in 2023; newer entries below may have overtaken it.

1. 1
   Gramara▲273

   AI grammar correction

   2020 · its alternatives →

2. 2
   Grammarly▲390

   Clear, effective, mistake-free writing.

   2014 · its alternatives →

3. 3
   Fixkey▲583

   Grammarly for powerusers

   2024 · its alternatives →

4. 4
   GrammarPaw ▲261

   AI writing assistant for Mac

   2025 · apps.apple.com · its alternatives →

5. 5
   Gramfix▲14

   Real-time Grammar Fixes for free

   2024 · its alternatives →

6. 6
   Gramfix▲7

   Effortless grammar correction for Mac OS

   Nov 2025 · gramfix.app · its alternatives →

7. 7
   Fluently Beta▲499

   Write fluently in any language

   2020 · its alternatives →

8. 8
   Grammarly for Chrome▲503

   Clear, effective, mistake-free writing everywhere you type.

   2014 · its alternatives →

9. 9RA
   Refine – A Local Alternative to Grammarly▲408

   2025 · refine.sh · its alternatives →

10. 10
    GrammarlyBot▲93

    Make your READMEs readable

    2022 · its alternatives →

11. 11
    Grammative▲140

    Free website content review by expert humans 👀

    2019 · its alternatives →

12. 12
    Krammar▲93

    Your Grammar nazi but friendly friend

    2024 · krammar.kieng.io.vn · its alternatives →

13. 13
    GrammarBot▲183

    Write flawless English with AI, no subscriptions, offline

    2024 · its alternatives →

14. 14
    GrammarlyGO▲213

    A faster, smarter writing assistant

    2023 · its alternatives →

15. 15
    RiteBot▲409

    Paraphraser, grammar checker, summariser powered by ChatGPT

    2023 · its alternatives →

16. 16
    Gramify▲20

    Your On-the-Fly Grammar Assistant

    2025 · chromewebstore.google.com · its alternatives →

17. 17
    Oyomi▲83

    Machine learning based Japanese reader & grammar analyzer

    2023 · its alternatives →

18. 18
    Grammatica▲205

    AI powered writing assistant

    2020 · its alternatives →

19. 19
    TextMate 2.0▲155

    Powerful and customizable text editor for Mac

    2019 · its alternatives →

20. 20IB
    I built an open source alternative to Grammarly▲15

    I created RewritePal, a tool that helps you generate clear, compelling writing while keeping your unique voice. It's completely free to use and requires no sign-up. My goal was to build a simple, yet powerful alternative to Grammarly, with an emphasis on ease of use and privacy. I'd love to hear your feedback and suggestions!

    2024 · rewritepal.com · its alternatives →

21. 21
    Deep Grammar▲128

    Grammar checker based on deep learning

    2016 · its alternatives →

22. 22
    Rewrait for Windows▲84

    Write it once, perfect it fast.

    2025 · rewrait.com · its alternatives →

23. 23
    Correct My Grammar▲77

    AI based tool to correct your grammar & rephrase sentences

    2023 · its alternatives →

24. 24
    Text Enhancer AI▲113

    Enhance any text content in seconds for free

    2024 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →