Firefox

Mozilla's webbrowser.

Configuration

MMB Scrolling

Edit > Preferences > Advanced > General:
  - Use autoscrolling

Override User Agent

On commandline

In configuration

-open:  about:config
  - type: general.useragent.override
  - radio: string
  - click '+' button to create
  - assign windows value: Mozilla/5.0 (Windows NT x.y; Win64; x64; rv:10.0) Gecko/20100101 Firefox/10.0

Addons

firefox addon pentadactyl	vim keybindings in firefox (closer to vim than pentadactyl)
firefox addon tridactyl	vim keybindings in firefox
firefox addon dark mode	comprehensive dark stylesheet for websites
firefox addon foxsplitter
firefox addon vimperator	vim keybindings in firefox
firefox addon it's all text	edit textfield in external editor
firefox addon private tab	supports private tabs alongside other tabs