feathernotes

ТОДОРХОЙЛОЛТ:

FeatherNotes is a lightweight Qt5 hierarchical notes-manager for Linux. It is independent of any desktop environment and has:

Support for rich text formatting, image embedding and inserting editable tables;
Drag-and-drop capability for moving nodes and also for embedding images;
A tray icon for quick access on any desktop;
Correct position/size saving and restoring with most window managers;
Compact but complete search and replacement widgets;
The ability to include searchable tags (hidden info on each node);
Support for optional node icons;
Support for local and remote hyperlinks (bookmarks);
Text zooming;
Printing and exporting to HTML and PDF;
Password protection;
Auto-saving;
macOS support (by Pavel Shlyak); and
Other features that can be found in its settings, on its menus or when it is actually used.