Less - Less extends CSS with dynamic behavior such as variables, mixins, operations and functions. Less runs on both the server-side (with Node. js and Rhino) or client-side (modern browsers only).
Moar - Moar is a pager. It's designed to be easy to use and just do the right thing without any...
more - More is a filter for paging through text one screenful at a time.
Bat - A cat(1) clone with wings.
lv File Viewer - lv - a Powerful Multilingual File Viewer / Grep. Feature Multilingual file viewer
gnome-logs - Gnome Logs is a Gtk viewer for the systemd journal.