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 https://molab.marimo.io Some features: - Persistent storage - Link sharing (notebooks are public but undiscoverable, like secret GitHub Gists) - Download notebooks to your machine, reuse them as Python scripts or apps - Upload local notebooks to the cloud from our CLI (coming soon) - Real-time collaboration (coming soon) - Configure computational resources to obtain more CPU or GPU (coming soon) marimo is a modern notebook for modern
Why it failed
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,
- Kind
- startup
- Status
- Shut down
- Inventor
- akshayka
- Ended
- 2025
- Source
- hackernews