Buho is a note-taking application that lets you write the computer equivalent of sticky notes.
Linwood Butterfly
Powerful, minimalistic, cross-platform, opensource note-taking app.
Tusitala
Multiplatform application, o loʻo avanoa nei mo linux, windows, macOS ma le Android, lea e mafai ai ona e tusia faʻamatalaga i se auala atamai, e mafai ona e puʻeina leo aoe tusitusi, ma toe faʻalogo i ai e vaʻai i mea na e tusia mo sekone taʻitasi o le leo.
Briar
The simplest way to keep notes
GTG
(GTG) is a personal tasks and TODO-list items organizer for the GNOME desktop environment
FeatherNotes
Mamafa Qt5 Notes-Manager mo Linux