Life & fun · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. A Simple Diff-Based Copyediting Tool launched in 2011; newer entries below may have overtaken it.

1. 1DA
   Diffboard, a pastebin alternative with diffs▲5

   2012 · diffboard.com · its alternatives →

2. 2
   Fulvid▲86

   A standalone desktop editor for Markdown and MDX

   Sep 2026 · github.com · its alternatives →

3. 3
   Markdoc▲84

   A shared Markdown editor for people and their agents

   14d ago · markdoc.app · its alternatives →

4. 4
   Macaw▲90

   A simple code editor for Swift

   2017 · github.com · its alternatives →

5. 5
   Brackets 1.0▲190

   An open-source text editor for web designers by Adobe

   2014 · github.com · its alternatives →

6. 6
   Atom▲145

   A hackable text editor for the 21st Century

   2014 · github.blog · its alternatives →

7. 7
   CotEditor▲102

   The free plain-text editor for OS X

   2014 · coteditor.com · its alternatives →

8. 8
   MarkRight▲84

   A minimalistic github flavored markdown editor

   2015 · github.com · its alternatives →

9. 9
   MuM▲93

   A reading-first Markdown engine for macOS

   24d ago · mum.jiker.ai · its alternatives →

10. 10S
    sidebranch▲102

    Easy git-based visual diffing

    Sep 2026 · sidebranch.dev · its alternatives →

11. 11
    Markly▲64

    A calm, native Markdown editor for your folders

    27d ago · markly.justghali.dev · its alternatives →

12. 12
    KeenWrite, a Desktop Text Editor▲6

    2021 · github.com · its alternatives →

13. 13AH
    Automating Highly Similar Translations▲7

    2016 · engineering.khanacademy.org · its alternatives →

14. 14TD
    Tandem – Decentralized, cross-editor, collaborative editing▲6

    2018 · typeintandem.com · its alternatives →

15. 15CE
    Collaborative editing with Quill▲5

    2018 · codepen.io · its alternatives →

16. 16
    Collaborative text editing in ~220 lines of JavaScript▲5

    2021 · git.ce9e.org · its alternatives →

17. 17OC
    One-click ink saving and document optimization▲8

    2021 · halftoner.com · its alternatives →

18. 18
    WordSharp Editing and Proofreading▲1

    You write it; we right it

    2018 · wordsharp.net · its alternatives →

19. 19CA
    Copy and Paste Browser Mockups▲9

    2020 · browsermockups.io · its alternatives →

20. 20
    Ghostwriter▲5

    A distraction-free Markdown editor for Windows and Linux

    2016 · wereturtle.github.io · its alternatives →

21. 21PA
    Polyphony – A realtime collaborative text editing lib for web/mobile▲8

    2014 · polyphony-ot.com · its alternatives →

22. 22
    A better deep cloning for JavaScript objects▲5

    2014 · github.com · its alternatives →

23. 23
    Live-Editable Svelte Pages▲7

    Mar 2026 · svedit.dev · its alternatives →

24. 24SF
    Spreadsheets for hierarchical data – real-time collaborative editing▲5

    2016 · datascribbler.com · 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 →