aTalk - An encrypted instant messaging with video call and GPS features for android.
Textnow.com - It lets you text your friends, aka my only source of happiness
Talk360 - Talk360 is a best-in-class communication utility that offers a convenient way to connect with loved ones globally.
FluffyChat - Open. Nonprofit. Cute ?
TeleGuard - TeleGuard is a secure messenger that makes it store that your data or chats are not stored while collaborating or communicating with partners and friends.
Mi Airit - Mi Airit a chat app that helps you communicate messages to the right people without receiving unwanted responses or reactions.