People who use Whatsapp also use:
-
Firefox
in 345 toolboxes
add to my toolboxFirefox is the popular open source web browser from Mozilla
-
Skype
in 228 toolboxes
add to my toolboxFree/cheap Internet telephony and handy IM tool.
-
EverNote
in 22 toolboxes
add to my toolboxNote taking application.
-
Twitter
in 125 toolboxes
add to my toolboxTwitter is a global community of friends and strangers answering one simple question: What are you doing? Answer on your phone, IM, or on the web.