Alternatives

Products that do what OpenPolotno does

Open-source Polotno alternative for design editors

1. 1
   Polotno Studio▲190

   Canva-like design editor. No signups, no ads, no paywalls.

   2021

2. 2
   Polotno SDK▲96

   Toolkit to create web design editors

   2021

3. 3OS
   Open Source Canva Clone▲232

   2022 · github.com

4. 4OS
   Open-source alternative to Retool, Internal.io, etc.▲429

   2021 · github.com

5. 5OO
   OpenKnowledge – open source AI-first alternative to Obsidian/Notion▲381

   Hi HN, Nick here. We’re launching OpenKnowledge (https://openknowledge.ai/), a “what you see is what you get” markdown editor that has direct integrations with Claude, Codex, and other agents. Available as MacOS app or Web UI+CLI. Fully free/local and OSS. We built this because we wanted a Notion-like experience for writing and sharing markdown files across our team. Obsidian is the best alternative we tried, but found it doesn’t have a true WYSWIG UI and it didn’t integrate well with Claude/Codex outside of community plugins. So we built OpenKnowledge. It takes…

   Jun 2026 · github.com

6. 6
   Templated▲311

   Embed a Canva-like editor to your app

   2024

7. 7IO
   I open-sourced my web app alternative to Illustrator▲644

   2014 · mondrian.io

8. 8AO
   An open-source, collaborative, WYSIWYG Markdown editor▲460

   Inspired by the design and UI/UX of apps like Notion, and utility of open-source apps like StackEdit, I decided to create a minimalistic, local-only WYSIWYG Markdown editor. Some features worth highlighting: - Monaco editor and Prettier integration for code snippets - Tables (apparently the holy grail of WYSIWYG editing) - Embeds (for CodePen, CodeSandbox and YouTube, most useful for HTML or JSON exports) - Accepts Markdown paste-in, and "exports"/generates HTML, Markdown and JSON outputs - Collaboration (with real-time awareness and initial commenting system, available only when…

   2023 · editor.vrite.io

9. 9
   Yoopta-Editor▲343

   Open-source text-editor

   2024

10. 10
    OG Image Generator▲578

    Open Graph & Twitter image templates for Next.js

    2024

11. 11
    Tiptap Editor 3.0 Beta▲446

    Flexible, open-source editor built for modern web developers

    2025

12. 12
    Templated▲221

    A Canva like editor + API for image automation

    2024

13. 13EI
    Edtr.io – Intuitive web editor, open source and fully adaptable▲234

    2020 · edtr.io

14. 14
    rnbw▲348

    design, code

    2024

15. 15MI
    Modo – I built an open-source alternative to Kiro, Cursor, and Windsurf▲103

    Apr 2026 · github.com

16. 16
    Penpot▲477

    Design freedom for teams

    2021

17. 17
    Open Design SDK▲139

    Read and display data from designs, using code

    2021

18. 18
    OpenUI▲323

    The open standard for Generative UI

    Mar 2026

19. 19
    Opengrep▲340

    The open source code security engine

    2025

20. 20
    Open SaaS▲505

    Open-source & 100% free React & Node.js SaaS starter

    2024

21. 21
    Open Source Stash▲264

    The best open-source alternatives for you next maker project

    2020

22. 22
    Webstudio▲171

    An open source visual development platform

    2022

23. 23OS
    Open-source alternative to Retool▲420

    2022 · github.com

24. 24
    Edtr.io▲133

    Intuitive WYSIWYG web editor, open source & fully adaptable.

    2020

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