Rota Board - web 2.o time roster
timeXchange - web 2.0 timesheets and expenses
Wambo - desktop meta-IM similar to Trillian.
Also has a group messaging feature, message history, contimue discussions when you get back online, fileshare photo and video. More interesting is people can IM you from a link or button (not a chat box widget) without them being on your contacts list, similar services are Plugoo, meebome, and Mabber, see more.