Alternatives

Products that do what Frontmatter Format: A micro-format for YAML metadata on any file does

1. 1LB
   Lowdefy – Build internal tools with YAML on an open-source framework▲107

   2021 · lowdefy.com

2. 2SG
   Sir – Git-diff-able JSON database on yer filesystem▲115

   2020 · github.com

3. 3XF
   XML Fiddler – tool for quick XML exploration▲62

   2020 · masa331.github.io

4. 4PE
   Pollly – Editor for YAML localization and translation files▲17

   2017 · pollly.orson.io

5. 5LB
   LaTeX Boilerplates – Plain-Text Document Production System▲104

   2015 · mrzool.cc

6. 6DA
   Dit – A new kind of container file for standardizing data▲19

   2020 · github.com

7. 7TA
   TinyBaker, a library for defining composable file-to-file transforms▲11

   2020 · github.com

8. 8DS
   DBML – simple DSL language to document database schemas▲57

   2019 · dbml-lang.org

9. 9WA
   WSL, a clean text format for relational data▲23

   2016 · jstimpfle.de

10. 10LA
    LanderDB – A Mini Flat File Database Engine for Python▲27

    2015 · github.com

11. 11AF
    Auto Formatter for File Structures▲15

    2020 · github.com

12. 12FA
    Format – a Swift 2.0 formatting kit▲22

    2015 · github.com

13. 13YY
    YDML – YAML DOM Markup Language▲5

    2017 · github.com

14. 14MD
    Metamapper – Data discovery and documentation platform▲9

    2020 · github.com

15. 15FA
    fresh - a tool to manage and distribute dot files (think Bundler)▲23

    2012 · freshshell.com

16. 16FG
    FMQL – graph query and bulk-edit CLI for Markdown and YAML frontmatter▲8

    Apr 2026 · github.com

17. 17CA
    Clean and simple declarative dotfile management▲7

    2019 · github.com

18. 18GD
    Generate Database Driven Web Apps and API's with Fields from a YAML File▲13

    2016 · github.com

19. 19MO
    Minimalist Open Source JSON formatter app▲13

    2020 · jsonformatter.live

20. 20FI
    Flems.io – A Single File, Embeddable Web Sandbox▲10

    2017 · flems.io

21. 21OS
    Open source embeddable file picker▲12

    2014 · github.com

22. 22DA
    Dit – A very small dotfiles tool▲6

    2015 · github.com

23. 23TI
    Tablerize – intuitive table markup in YAML▲6

    2015 · github.com

24. 24EA
    Emissary, a RESTful, scriptable content extraction service▲9

    2015 · github.com

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