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Products that do what A Ruby gem for generating migration from mermaid er diagram does

Hi HN and great ruby hackers, I have just published a ruby gem for generating migration files from markdown files written in Mermaid.js. You can write down some ER diagrams on markdown files and then generate migration files via running single command. I'd really love to get feedbacks and or problems.

  1. 1RG

    Hi HN, I've just made a ruby gem for parsing Mermaid syntax, and it's an extension of kramdown parser. I'd love to get feedbacks and or problems you encounter.

    2023 · github.com

  2. 2OA
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    Generate Spring Boot/Nest JS API's in minutes

    2024

  4. 4

    Drag & drop whiteboard with text based diagramming

    2024

  5. 5

    A smarter way to create diagrams

    2023

  6. 6RT

    2012 · rubymotion-tutorials.com

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    Open-source shared notes with Markdown & Mermaid support

    Sep 2025

  8. 8IM

    Hello HN, I've just released a new migration tool for Go that mimics the functionality of Ruby on Rails migrations. It's designed to help Go developers manage database schema changes with ease. This allows you several benefits: - Write type-safe migrations - Auto down of migrations whenever it's possible - Easy backfill even with business logic because it's Go code - Painless integration with existing schema - sql.DB compatible and driver agnostic (it uses your driver) I have a pretty complete API to manage Postgres schema and I am working on the SQLite one (a little more complicated due to…

    2024 · github.com

  9. 9RD

    Hi everyone, I've been working on this thing for a while. It transpiles Haml into Ruby, and then it streams patches to the browser which update the DOM. There is a memory leak in s.rb, which I'm not really sure how to solve. Seems like objects stay alive for longer than they should because of circular references or something but I'm not sure what's going on to be honest. I think this approach has potential though.

    2023 · github.com

  10. 10DM

    2014 · github.com

  11. 11LE

    Hey HN, I’d like to share Liam ERD, an open-source tool that automatically generates beautiful and interactive ER diagrams from your database schemas (PostgreSQL, schema.rb, schema.prisma etc.). We built it to address the common pain of manually maintaining schema diagrams and to help teams keep their database documentation always up-to-date. Key features: - Beautiful UI & Interactive: A clean design and intuitive features (like panning, zooming, and filtering) make it easy to understand even the most complex databases. - Web + CLI: Use our web version for quick demos on public projects, or…

    2025 · github.com

  12. 12RS

    Hi HN, I want to share a little Ruby documentation+art project that I'm working on with my wife (she's an artist) for my company, Honeybadger.io: https://www.exceptionalcreatures.com/ The introduction explains what it is, but here are some highlights: - Each Ruby exception is a sneaky creature which could pop up in your Ruby apps. - The documentation (which is in-progress) is supplemented by docs from Ruby core and standard lib. - The errors on the Bestiary page are ordered by attack scores which are calculated from Honeybadger data (so these are the errors which are occurring…

    2017

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  14. 14IM

    tl;dr: My first Ruby project: https://github.com/symkat/GFM-Service Something I have wanted for a long time, has been to use GitHub Flavored Markdown in projects. Since those projects haven't been Ruby, using the awesome libraries GitHub's released has been a non-started. Now, running this and using HTTP and JSON from any language lets me use GitHub Flavored Markdown in my projects.

    2012

  15. 15PR

    TL;DR - http://www.gemfury.com - pre-launch feedback appreciated Hello HN, In true hacker tradition, a tool built for ourselves often grows into a service of its own. In the past few months, we've been polishing our private RubyGem server into something that other Ruby developers can use. Today, I'd like to ask for your feedback on where we stand and whether we're "launch-ready". The service is called Gemfury and offers customers a private RubyGem repository in the cloud. The story is that many RubyGems are built as open source and solid infrastructure exists to develop and distribute those.…

    2012

  16. 16GA

    I am the creator of gut/gutenberg. I am really interested in your comments. Please let me know what you think about gut :).

    2014 · unbalancedparentheses.github.io

  17. 17PA
  18. 18SF

    Hello everybody! I just finished a hobby project. It is a F# library for creating Mermaid graph YAML. I used Fable to transpile to JS (+types) and python, and added a convenience C# access layer. This means you have a nice API for creating Mermaid graphs in 4 languages. My documentation also includes code examples for all languages and a blogpost on library design. Would appreciate feedback!

    2024 · github.com

  19. 19RM
  20. 20IA

    Radical.sh - A low code generator for Spring boot and Nest js API's. Radical generates API's to events to authentication to tests, and provides kick start on your Next API. Go ahead and roast it. https://www.reddit.com/r/SpringBoot/comments/1b8jyhs/radical...

    2024 · radical.sh

  21. 21AG

    It scrapes Ruby/Ruby on Rails jobs from six sites: Gorails, Weworkremotely, Ruby on Remote, Ruby on Rails jobs, Rails Hotwire Jobs, WeAreHiring, and displays them right in your terminal! The scraper lives on: https://github.com/binarygit/job_scraper Please comment other sites that you use to look up Ruby/ROR jobs!

    2023 · github.com

  22. 22PM
  23. 23MF

    The source is available right here https://github.com/ro31337/rubyisforfun

    2022 · s3.amazonaws.com

  24. 24GA

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