Acompli - iPhone email just got a promotion
Hop - Spike makes working easier and more efficient. Saving you and your team time, sanity, and a lot of headaches.
Send - Instant messaging meets email (by Microsoft)
Funnster - The best way to get together with your friends and family
Brosix Instant Messenger - Secure instant messenger for your team
The Nudge - A planner friend in your pocket.