4Ext Recovery is a alternative to Clockworkmod (CWM) recovery.
At the time of this writing it supports the following devices:
HTC Sensation / XE, Incredible S / 2, Desire Z / G2, Desire S, Desire, Desire HD, Inspire 4G, myTouch 4G, Nexus One, Thunderbolt, Evo 3D GSM / CDMA, Amaze...