Logseq
Also on WindowsAn outliner for notes, journals and linked ideas.
Installs from Flathub.
Good news: Logseq runs on Linux. It's the same app you use on Windows, and TuxPick installs it for you from Flathub.
Install Logseq with TuxPickIt works on Ubuntu 22.04 and 24.04, and on systems built on them like Zorin OS and Pop!_OS.