Public - Group chats.
Fuse - Fuse is a UX tool suite for mobile app designers and developers.
chitchat - Chat Room with Selfies and Pagers (yes, pagers!)
Dropsource - Mobile development platform for building native iOS & Android apps
nocnoc - Instant group chat invite via link
Siberian CMS - Siberian is an Open-Source and Free App Maker. Unlimited Push Notifications. Unlimited features. Fully Customizable. Download it and build your own app now!