The short version
A local Markdown note app designed for shared use by people and coding agents.
From the HackerLinks archive
Hubble
A local Markdown note app designed for shared use by people and coding agents.
At a glance:
First seen:2026-07-30
Last seen:2026-07-30
Times seen:1
Website:hubble.md
Why it caught our attention
A commenter said it met nearly all of their Markdown-editor wishlist and was easy to extend locally.
Where it surfaced on Hacker News
2026-07-30
“I’ve been waiting for an app like this to be developed!”
shreddude · recommendation · first hand use
Direct HN comment
Hubble: Open-source notetaking app for you and your agents