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Hubble: Open-source notetaking app for you and your agents (hubble.md)
80 points by handfuloflight 5 hours ago
14 comments

It would be interesting to see benchmark comparisons with traditional EHR integration solutions in terms of speed and reliability.
I feel like there's not enough content on the landing page to help me understand why I need yet another notetaking app. The burden of proof is high given how many of these there are.
Also why is it a nodejs app? With the explosion of LLM and the insane increase in productivity shouldn't it be a Rust app?
Between being criticised for too much LLLM and not enough, the developers can't win can they?
Well they can win! Since everyone is so pro LLM don't write apps in Nodejs LOL

That is unless devs don't use LLMs at all. Then they should simply state in the GitHub repo that we don't use AI!

I wouldn't use AI for hobby projects tbh. It's my personal preference

I’ve been waiting for an app like this to be developed! .md files can be opened from Finder! The tree file view is just like I’m used to with Obsidian! Frontmatter support! There’s even an editor toolbar. Almost everything on my wishlist for a Markdown editor, except for Mermaid rendering.

Since this project uses such good agentic engineering practices, I was able to use Claude Code to add support for Mermaid diagram rendering and produce my very own local build on Mac, all in about 30 minutes.

Thank you! Hubble+cmux gets me close to the agentic IDE I’m working towards.

You seems pretty enthusiastic about this very new and not very well known software...
Will check this out too.

Now, I'm having fun with tldraw.[1] With their new tldraw offline, I can continue to work in Claude Code (and others) and I can either output or interact/input from tldraw. This is more of a free-form, infinite canvas. I treat it like Excalidraw + Draw.io + Freeform Notetaker.

For text, most agents/LLM/assistants are pretty happy and smart using the same Markdown files to anywhere I have allowed them to interact.

1. https://www.tldraw.com/

All my agents need are plain .md files in my project directories.
it's interesting -- i think most (non-technical) people don't really have a muscle memory go-to markdown editor. i certainly didn't. i hated obsidian at first! funny how learning to like markdown makes obsidian like 1000x better haha
I also have one I developed according to my use: https://github.com/egeozcan/mahpastes

It has a rest api and a cli tool, and also the possibility to make headless deployments, and it can sync clips without a sync server. It can serve folders/tags and optionally expose a read or read/write api for JSON files on the same level. It supports lua plugins, and I have a fal.ai plugin to generate/edit images already in the repo (some other examples there).

It has a lot of features so maybe it's better if I just link to the docs: https://egeozcan.github.io/mahpastes/

What are your thoughts on Hubble?
I think it looks high quality. Perhaps it needs a way for those mini-html apps to store data? Also some additional docs and clear marketing that differentiates it from Obsidian would be cool as well.
Looks interesting. The dual interface from the start (React UI for humans and just editing .md for the agents with skills) is an interesting idea and probably how a lot of new software projects will work going forward

I feel like tables are generally underrated while the AI ecosystem is focused on .md files but I guess markdown has tables so they’re included to some extent

How is this different from Obsidian? Why would someone switch? The page is a bit lacking on detail.
midwit meme, but both ends are just "a pile of .md files in a synced directory somewhere"
I have always found markdown cumbersome. Will try this later. Seems like the main thing is having agent input right there, which is handy.
so, Obsidian?
There's even a community plugin MCP that makes this easier. Afaik the hot reload is the only thing that "beats" this but I haven't had issues with Agents interacting with obsidian through the MCP - I'm not sure how much more useful it is to talk with an agent through a note taking app vs through its CLI.
but how is it different from my notion?
ANOTHER.md
can we have a moratorium on notetaking apps?