Journiv, first featured here at
lemmy.ca/post/55005402 might be what you’re looking for as a self hosted solution

Meet Journiv! A Self-Hosted, Privacy-First Journaling App (Day One/Apple Journal Alternative) - Lemmy.ca
Hello everyone! TL;DR:
Journiv [https://journiv.com/] is a a beautiful, self-hosted, privacy-first
journaling app with mood tracking, daily prompts, and meaningful insights. The
mission is simple: your memories should always stay yours. Own them, don’t rent
them. Journiv 0.1.0-beta.4 is now live on GitHub
[https://github.com/journiv/journiv-app] and fully Docker-hostable
[https://github.com/journiv/journiv-app?tab=readme-ov-file#docker-compose-recommended].
Start owning your thoughts and memories forever and keep them completely
private. The Story Behind Journiv I got into self-hosting last year and while
exploring options journaling solution, I realized there wasn’t a truly modern,
self-hosted equivalent to Day One or Apple Journal. Most alternatives were
either general note apps or old abandoned projects. I wanted something focused
on journaling with: * “On This Day” memories * Prompt-based journaling * A
clean, minimal, distraction-free writing experience So… I built my own: Journiv
[https://journiv.com/], a beautiful (at least I am trying to make it so),
self-hosted, privacy-first journaling app with mood tracking, daily prompts, and
meaningful insights. Get Involved Give Journiv a try, share your feedback and
report issues [https://github.com/journiv/journiv-app/issues]. It means a lot at
this stage.