pacaur

TLDR

Synchronize and update all packages (includes AUR)

$ pacaur -Syu

Synchronize and update only AUR packages

$ pacaur -Syua

Install a new package (includes AUR)

$ pacaur -S [package_name]

Remove a package and its dependencies (includes AUR packages)

$ pacaur -Rs [package_name]

Search the package database for a keyword (includes AUR)

$ pacaur -Ss [keyword]

List all currently installed packages (includes AUR packages)

$ pacaur -Qs