Broomstick is the easiest way to hide menubar icons that you don’t like. While most apps that create a menubar icon allow you to hide it, some apps don’t provide this option.
Broomstick can currently hide the following apps: Air Video Server, Avira, Boom, Caffeine, Chronicle Mini, ChronoSync, Click.to, CrashPlan, Dimmer, DropCopy, Dropbox, Droplr, Flutter, Flux, FullControlHelper, Garmin ANT Agent, GrabBox, GrabBox2, GrowlTunes, Hiss, iTeleport Connect, Kuvva, LogMeIn, Memeo Backup, MiddleClick, MuteCon, Nocturne, NoSleepHelper, OpenDNS Updater, PleaseSleep, PuntoSwitcher, Quiet Read, RemotelessHelper, Seamless, SnagIt, Spotlight, ToDoHelper, Wakoopa Tracker, Wallpaper Clocks.