erd vs groundhog

erd

Translates a plain text description of a relational database schema to a graphical entity-relationship diagram. (by BurntSushi)

Database

Source Code

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This library maps datatypes to a relational model, in a way similar to what ORM libraries do in OOP. See the tutorial https://www.schoolofhaskell.com/user/lykahb/groundhog for introduction (by lykahb)

Database Groundhog

Source Code

hackage.haskell.org

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erd		groundhog
	Project
4	Mentions	1
1,757	Stars	176
-	Growth	-
4.3	Activity	0.0
3 months ago	Latest Commit	over 1 year ago
Haskell	Language	Haskell
The Unlicense	License	BSD 3-clause "New" or "Revised" License

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

erd

Posts with mentions or reviews of erd. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-11-22.

D2 is now open source – a new, modern language that turns text to diagrams
34 projects | news.ycombinator.com | 22 Nov 2022

I like it and the comparison site on https://text-to-diagram.com
I just wanted to drop a reference to Burnt Sushi's ERD tool [0]. It only does one diagram type: Entity Relationship Diagram. It's wonderful. Human-first syntax, code comments, and some simple formatting settings like colors and font sizes that help make more complex diagram pleasing and informative.
[0] https://github.com/BurntSushi/erd
Ask HN: Open-source DB- ERD tool
1 project | news.ycombinator.com | 23 Nov 2021
What’s everyone’s favourite documentation tools?
3 projects | /r/dataengineering | 20 Oct 2021
Recommendations for a CLI-tool to generate DB diagrams?
2 projects | /r/PostgreSQL | 28 Dec 2020

Only tool I've come across is erd but have not personally used it. We use LucidChart for our ERDs at work. They have an API to export to PNG and to create documents within it. The documentation for the API is dense, but it is something I am hoping to take a hack day or two to try to understand and see if I can automate generating and updating our own ERDs.

groundhog

Posts with mentions or reviews of groundhog. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-12-05.

How can database libraries be compared to each other?
2 projects | /r/haskell | 5 Dec 2022

There is also groundhog, which I used with sqlite in a toy project, but that was years ago. I can see it had a release this year, which is a good sign.