What does HackerNews think of codimd?

Honestly, it might be better to use a realtime collaboration service. If you need to you could automatically sync this with the GitHub version by pulling updates on a schedule.

I've used hackmd.io for real-time collaboration in Markdown. They even offer an open-source self-hosted version, https://github.com/hackmdio/codimd. There may be other services as well.

The HackMD version of CodiMD[1] also supports this, letting you collaboratively edit a PlantUML diagram embedded in a Markdown document.

[1]: https://github.com/hackmdio/codimd

Some improvement suggestions:

  * Implement shareable URLs (the session name should be in the URL).
  * Don't immediately prompt a session name but explain the purpose of the website.
  * Link the PlantUML documentation.

I use a self-hosted HackMD (now CodiMD) [1] instance for this. The hosted version pushes more and more towards account creation but you can start without account by visiting [2] directly.

They have real time collaboration and a long list of additional plugins [3] that allow all kinds of nice collaboration use cases. For example it is possible to convert some bullet points into a presentation with minimal effort.

What does Write.md provide compared to HackMD? Not affiliated with HackMD, just a happy user and always curious about alternatives.

[1] https://github.com/hackmdio/codimd [2] https://hackmd.io/new [3] https://hackmd.io/features