Hubble: Open-source notetaking app for you and your agents

Hacker News Top 07/29/26, 12:11 AM Products

Summary

Hubble.md is a free, open-source notetaking app that supports Markdown and HTML, designed for both humans and AI agents.

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# Hubble.md Source: [https://www.hubble.md/](https://www.hubble.md/) ## The best notepad for you and your agents Free, open source, backed by Markdown and HTML\. ## Desert stars NoteTagPlaceKyoto gardenTravelKyotoDesert starsOutdoorsJoshua TreeTokyo ramenTravelTokyoDuneBooksLisbonSourdoughCookingHomeTide poolsOutdoorsBig Sur Cold brew Big Sur Desert stars Orion Tide charts Tokyo ramen Lisbon trams Trail notes Dune Night sky Field guide Sea glass Camp recipes Sourdough Star maps Old letters Tide pools Map sketches Garden log Tea blends Kyoto garden Coastlines Pour over Sea fog Joshua TreeTokyoLisbonHomeBig SurKyoto \> ●Added 3 ideas for next time\.

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