Sharepoint Instant Messaging

Is there a webpart that can easily be dro开发者_如何学Cpped into our Sharepoint that shows all company users online and with the ability to instant message them. Currently everyone is using various IM clients and would like to see something integrated within our intranet: sharepoint

https://sharepointmessenger.codeplex.com/ I have been developing this. It might help you out.