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. Margins – where you can save, annotate and share academic papers launched in 2018; newer entries below may have overtaken it.

1. 1
   Two Margins▲102

   Annotate financial documents (ex. SEC filings) w/ the crowd

   2014 · its alternatives →

2. 2
   Paperguide▲645

   Discover, read, write and manage research with ease using AI

   2024 · paperguide.ai · its alternatives →

3. 3MA
   Margin – A lightweight, flexible markup language for structured thought▲210

   2020 · margin.love · its alternatives →

4. 4
   Napkin▲222

   A new way to share ideas

   2015 · napkin.is · its alternatives →

5. 5
   Studies.Show▲206

   140 character summaries of interesting research papers.

   2015 · studiesshow.app · its alternatives →

6. 6
   Paragraph Notes▲155

   A private Markdown notes app for Mac

   Sep 2026 · paragraphnotes.md · its alternatives →

7. 7
   Tidy Design▲67

   Open Source Paper / Figma Alternative

   11d ago · tidydesign.co · its alternatives →

8. 8
   Liquid Text 2.0▲157

   A better way to understand text - across multiple documents

   2016 · liquidtext.net · its alternatives →

9. 9
   Shelf▲93

   Save, organize and annotate learning resources.

   2021 · shelf.so · its alternatives →

10. 10
    Collaborate on Slides▲99

    Shared editing and per-slide feedback on presentations

    2016 · slides.com · its alternatives →

11. 11
    Manuscripts.app▲87

    For academics who have outgrown the spreadsheet tracker

    May 2026 · manuscripts-app.com · its alternatives →

12. 12
    Datastory▲118

    Turn the world's data into stories worth sharing

    25d ago · datastory.tech · its alternatives →

13. 13
    Manage, annotate, and share research papers▲24

    PaperShip for Mac, iPad and iPhone - Annotate, Manage, and Share your Papers with Mendeley and Zotero

    2013 · papershipapp.com · its alternatives →

14. 14
    Bullet Journal▲86

    An analog note-taking system for the digital age

    2014 · bulletjournal.com · its alternatives →

15. 15
    Paperpile▲66

    No-fuss reference management for the web

    2014 · paperpile.com · its alternatives →

16. 16
    Scholarcy▲80

    Generate AI summaries for research papers and articles

    2022 · scholarcy.com · its alternatives →

17. 17
    Semantic Scholar▲5

    Vertical search across academic papers

    2015 · semanticscholar.org · its alternatives →

18. 18
    Collate Notes▲9

    A flexible cross-platform note-taking application

    2017 · collatenotes.com · its alternatives →

19. 19PA
    Paperthon, a service for researchers that tracks paper submissions▲9

    2014 · paperthon.com · its alternatives →

20. 20SA
    Stacks – A bookshelf for your MOOCs▲8

    2018 · stacks.courses · its alternatives →

21. 21
    ResearchCollab▲9

    A workspace to structure and analyze research together

    Nov 2025 · researchcollab.ai · its alternatives →

22. 22
    The Margin Publication▲5

    Tech design blog with a little bit different UX

    2016 · its alternatives →

23. 23
    Fragments▲11

    Collect and beautifully organise your articles & bookmarks.

    2016 · fragments.me · its alternatives →

24. 24
    Canopy▲11

    Save articles, quotes and notes instantly with our extension

    2025 · usecanopy.app · 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 →