Show HN: Molab, a cloud-hosted Marimo notebook workspace

We launched marimo [1], an open-source reactive Python notebook, last year on HackerNews. Today, the most popular recent feature request in Google Colab’s issue tracker asks for marimo support in Colab [2].

Rather than try to convince Google to replace their notebook with marimo, we decided to just build our own cloud-hosted notebook service instead. We're calling this molab (mo for marimo), and we're launching it today.

You can try it at

10d | Hacker news
Show HN: I built library management app for those who outgrew spreadsheets

I've been working on librari.io for the past several months and just launched the beta version.

The Problem: I have 500+ books across multiple rooms in my house and was desperately looking for an app to manage them properly. Most library management apps are either too basic or designed for institutional libraries with rigid workflows that don't fit personal use.

What I Built:

- Multiple libraries: manage collections in different locations

- Location tracking - remember exactly which

10d | Hacker news

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