Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
Operator - Looking for something? Make a request and we'll find it.
MushRoom - KnockKnock the person whom you want to message and he/she should accept your knockRoom or Group can be created by providing a nameShare Room link with your friends to join the conversationWatch video or listen music during conversation
M+ 1m - Download and install the M+ 1m free font family by M+ Fonts as well as test-drive and see a complete character set.
Crypho - End-to-end-encrypted messaging and file sharing
Bitstream Vera Sans Mono - Bitstream Vera Sans Mono Font | dafont.com