How to integrate my web application with Skype, Gtalk from another instant messaging system?

Question

I want to be able to send reminders to my users using their instant messaging system, very similar to Remember The Milk does when it sends notifications.

How can i do this?

Additional Information: I am developing in ASP.Net, SQL Server 2008 and Windows 2008

Answer 1

, FYI, GTalk (TLS), , XMPP.

Answer 2

, Jabber (Gtalk ..) , IM.

http://www.process-one.net/en/ejabberd/

http://www.igniterealtime.org/projects/openfire/

http://jabberd.org/

, , IM.

Answer 3

gtalk - Jabber. Jabber, , . Python.

Skype Skype, , API.

. , .

Answer 4

, jabber , IM, . , jabber api ( jabber), .

- libpurple. , pidgin adium. , , , .