ChatIW - Meet and Chat with new friends around the world.
Spike - Spike solves businesses' communication chaos by bringing together email, team chat, collaborative docs, and meetings, into one feed.
ChatSecure - ChatSecure is a free and open source messaging app that features OTR encryption over XMPP.
ProtonMail - Secure email with absolutely no compromises. Get your free encrypted email account today.
Otr.to - A secure peer-to-peer chat in your web browser.
Seald - Keep your conversations secure, everywhere.