Using Vim as Pager (there is a vim macro for this)
alias cal="cal -3"
Use 'web-search' oh-my-search plugin. Example: "google ..."
Use 'dirhistory' oh-my-zsh plugin. No need anymore for 'insert-cycled-right()' and 'insert-cycled-left()' functions.
Color for less (manpages)
Bindkey TAB and Shitf+TAB for the 'Ctrl+r' menu.