1)   Akeni Enterprise Instant Messaging LDAP 2.2
Akeni Enterprise Instant Messaging IM is an enterprise messaging system that offers strong encryption, along with Active Directory / LDAP integration. Features includes IM chat, conference, file transfer, notification, alerts, optional web client.
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 2)   LIVECHAT Communicator 5.5
LIVECHAT Communicator makes corporate instant messaging easy- Communicator is a multi protocol instant messenger- application is ICQ, MSN, Skype, Gadu-Gadu and LIVECHAT ready, allows sharing and sending files. Chats and conferences are SSL encrypted.
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