Dev tools · alternatives · 2026

24 alternatives to C4 model sticky notes

Stickies for collaborating on your system designs with C4

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. C4 model sticky notes launched in 2023; newer entries below may have overtaken it.

1. 1
   Paper 3.0▲779

   The new sticky note

   2015 · its alternatives →

2. 2
   Sticky!▲490

   Your notes in the browser

   2024 · thestickyapp.com · its alternatives →

3. 3
   Sticky Studio▲110

   A collaborative whiteboard for complex discussions

   2021 · sticky.studio · its alternatives →

4. 4
   Sticky Notes▲85

   Stickies for your desktop

   2022 · apps.apple.com · its alternatives →

5. 5
   Online Sticky Notes▲95

   Just stick-it - made for people who love sticky notes

   2023 · onlinestickynotes.com · its alternatives →

6. 6
   Add sticky notes to your GitHub issues with a collaborative whiteboard▲13

   Đá gà Trực Tiếp CO UK là web xem đá gà trực tiếp Thomo từ bồ gà CPC1, CPC2, CPC3, CPC4,... gồm cựa sắt, cựa dao,.. với chất lượng full HD 4K có bình luận 13/09/2026.

   2018 · leanboard.io · its alternatives →

7. 7
   Paste by FiftyThree▲525

   Show your work. Paste is a new presentation tool for Slack.

   2017 · its alternatives →

8. 8
   Sticky Nodes▲125

   The original dry erase sticky note

   2023 · stickynodes.com · its alternatives →

9. 9
   Cr4yon▲76

   Simple collaborative whiteboard ideal for remote teams

   2018 · cr4yon.com · its alternatives →

10. 10
    Quick Note▲149

    Colorful sticky notes for Mac

    2024 · quicknoteapp.com · its alternatives →

11. 11
    Canvas▲324

    Notes for teams of nerds

    2016 · its alternatives →

12. 12
    WebStickies – Sticky notes for the internet▲201

    I made a browser extension that lets you leave notes on websites. Some features: search by content, add tags, sync, export/import

    2022 · lawrencehook.com · its alternatives →

13. 13
    Paper Prototype▲174

    iPhone sticky notes for quick prototypes

    2019 · its alternatives →

14. 14
    LeanBoard▲81

    Collaborative board with sticky notes for your GitHub issues

    2018 · extremeviolent.nl · its alternatives →

15. 15
    Paste by FiftyThree for iOS▲336

    Collaborative decks for creative teams

    2017 · its alternatives →

16. 16
    Metro Retro 2.0▲177

    Fun, collaborative whiteboard for remote meetings

    2023 · spreo.io · its alternatives →

17. 17
    Stickies▲64

    A fun visual way to curate, organize, and manage your work

    2021 · stickies.app · its alternatives →

18. 18
    WebStickies▲89

    Sticky notes for the Internet

    2023 · its alternatives →

19. 19
    Sticky▲139

    Take your sticky notes everywhere with you

    2023 · thestickyapp.com · its alternatives →

20. 20
    Stormboard▲82

    Online brainstorming on a realtime sticky note whiteboard.

    2014 · stormboard.com · its alternatives →

21. 21
    Zoom Whiteboard▲80

    A new visual collaboration solution

    2022 · zoom.com · its alternatives →

22. 22
    Brain;Notes▲61

    Scrapbook-like notepad app using sticky notes for iPadOS

    2022 · brainnotes.magickworx.com · its alternatives →

23. 23
    Browser Notes▲128

    Your ideas, organized - not uploaded

    Jul 2026 · browsernotes.xyz · its alternatives →

24. 24
    Sticky Notes▲96

    Sticky notes

    2023 · aravindnotionace.gumroad.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 →