I'm looking for free and open source notetaking software that allows me to highlight specified words (or preferably whole lines after a specified word) and helps me organize and categorize ideas and similar textual content?
It would be great if that same software could also help me organize weblinks and associated content. But maybe that's more or less a separate question / software.
Under Windows Notepad++ allowed me to create a custom language to highlight words.
I'm running Debian 9.1 with KDE.