I do a lot of my coding via a ssh session, and just started using the Micro terminal editor.
Some would say I should just use VIM, but while I've used it I wanted something lighter, single binary, and cross platform.
(https://micro-editor.github.io/screenshots/micro-atom-dark.png)
It has different themes, supports cut/paste, mouse, and some other stuff.
Homepage (https://micro-editor.github.io/)
AIR.