screw microsoft its even going to push us for more independence...

Instant messaging:

https://www.pidgin.im/
https://otr.cypherpunks.ca/
https://github.com/prof7bit/TorChat/wiki
http://www.bitlbee.org/main.php/news.r.html
https://guardianproject.info/apps/chatsecure/
http://www.xabber.com/
https://chatsecure.org/


Video conferencing & VoIP:

https://jitsi.org/
https://www.linphone.org/
http://mumble.sourceforge.net/
https://code.google.com/p/csipsimple/