Joplin is an open source note-taking app. Capture your thoughts and securely access them from any device.

I love Joplin... and if you don´t know it jet you may try it out for your self.

Joplin is very extendible

There is a Appimage and a Flatpak for Linux which work very well

https://joplinapp.org/
https://joplinapp.org/help/install/
https://github.com/laurent22/joplin

and an apk for android:
https://f-droid.org/de/packages/net.cozic.joplin/

The notes can be securely synchronised using end-to-end encryption with various cloud services including Nextcloud, Dropbox, OneDrive , Joplin Cloud or the Hubzilla Cloud.

There is a joplin-web-clipper for Firefox
https://addons.mozilla.org/de/firefox/addon/joplin-web-clipper

and lost of other Plugins
https://discourse.joplinapp.org/t/plugin-list/17671