(Graphical) IDE's are great for development, but they're slow to start and heavy to run. Sometimes you just want to take a quick look at an xml or dockerfile and you don't want to spin up the whole IDE for that.
I've recently rediscovered notepad++ for that (on windows), what's your prefered easy-acces-tekst-editor?
Pulsar, granted it can be ide like and I do contribute to it but I loved atom over any other tool that I've been introduced too by anyone. Sometimes I do use nano tho bc of having some familiarity with the command line but not enough to be fully functional tbh.