Well For me they uncountable

- ssh
-aircrack mdk3 cowpatty etc..(basicly hacking wep easly)
-msfconsole
-hacking anything anywere
-rouge ap (easy debian dhcpd3 apache2 and fake ap to hack wpa easly)
-ability to modify anything to your own purpose
-hdr capture (a better camera app)
-emulation (webos- snes-nes-sega genises -ps1 games)
-overloaking
-super easy fast browsing
-90 of apps are free !!!