ChatSecure - ChatSecure is a free and open source messaging app that features OTR encryption over XMPP.
SlimPlanner - Team scheduling, resource planning, task management
Element.io - Secure messaging app with strong end-to-end encryption, advanced group chat privacy settings, secure video calls for teams, encrypted communication using Matrix open network. Riot.im is now Element.
LogicalPlan - Plan, manage and track your team’s work.
ChatIW - Meet and Chat with new friends around the world.
New Snapchat - The new Snapchat, redesigned to separate social from media