The revamped Yahoo Messenger can pull photos from Flickr and searches for GIFs using Tumblr's fast library. Group chats are also packed with new features.
Edward Snowden needs to be extra careful on the Internet, and one of the ways he keeps safe is by using Signal, an end-to-end encrypted Android chat app.
BitTorrent just made Bleep, its privacy-oriented messaging app, available to the public for download. It's still in the alpha stage of development though.