Opera is a proprietary, fast, and user-friendly web browser.
It includes web developer tools, news aggregation, and the ability to compress data via Opera Turbo on congested networks.

feh is a versatile and fast image viewer using imlib2, the
premier image file handling library. feh has many features,
from simple single file viewing, to multiple file modes using
a slideshow or multiple windows. feh supports the creation of
montages as index prints with many user-configurable options.