Telegram looks really interesting. It has an open protocol and API so it should be easy to integrate with other systems; there is a libpurple port for it[1].

Telegram looks really interesting. It has an open protocol and API so it should be easy to integrate with other systems; there is a libpurple port for it[1]. Maybe Telegram could be a replacement for XMPP? [1] https://github.com/majn/telegram-purple https://github.com/majn/telegram-purple