zathura
A vim-like modal document viewer, with an integrated command line.
TLDR
Open a file
$ zathura [path/to/file]
Navigate left/up/down/right
$ <H|J|K|L> or arrow keys
Rotate
$ r
Invert Colors
$ Ctrl + R
Search for text by a given string
$ /[string]
Create/delete bookmarks
$ :[bmark|bdelete] [bookmark_name]
List bookmarks
$ :blist