Alternatives

Products that do what Uniseq does

Notion's hierarchy meets Logseq's journal, in markdown

1. 1OO
   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

2. 2
   NotePlan 3▲264

   Native (Mac & iOS) note-taking based on local Markdown files

   2020

3. 3
   NotesHub▲95

   Fully cross-platform, markdown based note-taking app

   2021

4. 4
   Notea▲288

   Free self-hosted open source note taking app, like Notion

   2021

5. 5
   Dumbnote▲141

   Offline-first Markdown note app. No lock-in. Just write.

   2025

6. 6
   NotesHub 3.3▲135

   Fully cross-platform, Markdown-based note-taking app

   2024

7. 7
   NerdyNotes▲176

   Markdown note taking app for developers

   2025

8. 8
   note.md▲243

   Local-first markdown based workspace for research writings

   May 2026

9. 9
   Paperwork▲144

   An open source Evernote alternative

   2015

10. 10
    Markdown Studio▲126

    Markdown editor built for the AI workflow era

    Dec 2025

11. 11
    Write.md – A free, open-source, themeable Markdown editor for macOS▲107

    A free, open-source Markdown editor for macOS with customizable appearance profiles, optional Vim keys, and local writing corrections.

    26d ago · writemd.app

12. 12N3
    NotePlan 3 – Native (Mac/iOS) note-taking based on local Markdown files▲56

    2020 · noteplan.co

13. 13
    Markably▲78

    Cross-platform Markdown editor

    2020

14. 14
    Bamboo▲114

    Markdown notes with AI under your control

    Jul 2026 · apps.apple.com

15. 15
    MarkTwo▲71

    A seamless, speedy, syncing markdown editor

    2020

16. 16
    NoteThisDown▲162

    Handwritten notes to Notion

    2024

17. 17
    MinkNote▲157

    Private macOS notes built on plain Markdown files

    Jul 2026 · muse23.com

18. 18
    Material Notes▲169

    Simple no hassle notes app in a beautiful material design

    2017

19. 19
    Writer▲134

    Beautiful, fast, native notes app with Markdown

    2021

20. 20
    Laverna▲153

    An open source Evernote alternative

    2017

21. 21LA
    Logseq – A roam like open-source plaintext note-taking app▲65

    2020 · logseq.com

22. 22
    MarkRight▲84

    A minimalistic github flavored markdown editor

    2015

23. 23
    GitJournal▲63

    Mobile first Markdown notes synchronized with Git

    2022

24. 24
    NotePlan▲77

    Markdown + calendar + notes

    2016

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