Open-Source Public Second Brain Built with Obsidian and Quartz
My Public Second Brain (https://brain.sspaeti.com) is built with the help of a wonderful tool called Quartz (https://brain.sspaeti.com/quartz-publish-obsidian-vault/). Obsidian (https://brain.sspaeti.com/obsidian/) has become my favorite for note-takers, given its flexible and linked structure that closely mirrors our natural way of thinking. With Quartz, I was able to seamlessly publish my Obsidian notes to a public vault, providing the groundwork for my Public Second Brain. The journey of making this possible involved some scripting as…
In plain words
This open-source project uses Obsidian and Quartz to create a publicly accessible personal knowledge base. It is designed for note-takers and knowledge workers who want to publish their private notes as an interconnected web vault. The setup combines Obsidian's flexible, linked note structure with Quartz's publishing capabilities, enhanced by custom Python scripting to automate the workflow of selecting and deploying notes to the public site.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
My Public Second Brain (https://brain.sspaeti.com) is built with the help of a wonderful tool called Quartz (https://brain.sspaeti.com/quartz-publish-obsidian-vault/). Obsidian (https://brain.sspaeti.com/obsidian/) has become my favorite for note-takers, given its flexible and linked structure that closely mirrors our natural way of thinking. With Quartz, I was able to seamlessly publish my Obsidian notes to a public vault, providing the groundwork for my Public Second Brain. The journey of making this possible involved some scripting as well. I wrote a python script, find-publish-notes.py (https://github.com/sspaeti/second-brain-public/blob/hugo/utils/find-publish-notes.py), which is integrated into the Makefile (https://github.com/sspaeti/second-brain-public/blob/hugo/Makefile). This script's purpose is to locate all the notes in my Obsidian Vault tagged with #publish and copy them into the Quartz git-repo. When I'm ready to update my public brain, all it takes is a simple command - `make deploy`. This command will publish all the recently tagged notes to brain.sspaeti.com (https://brain.sspaeti.com), ensuring the Second Brain stays updated. Want to see it in action? Here's a recorded example of How I upload to my Public Second Brain - asciinema (https://asciinema.org/a/APNjfEDdep4GMcTR1vd1T903W). I'm excited about the transparency and accessibility that my Public Second Brain offers. It's a dynamic, growing entity, just like our human brains with backlinks and its graph view. You can find more details about my Public Second Brain here (https://brain.sspaeti.com/public-second-brain-with-quartz/). Stay curious, keep learning, and perhaps, see you in the world of open-source knowledge! By the way, I also wrote about Personal Knowledge Management (PKM) workflows (https://www.sspaeti.com/blog/pkm-workflow-for-a-deeper-life/), in case that is something you got interested in.
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