FluffyChat - Open. Nonprofit. Cute ?
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
SafeNote - Encrypt and send files and notes with a link that automatically destruct after being read. SafeNote is a free web-based service that allows you to share a note or a file with confidentiality. There is no way to spying on you even to a hacker.
Molly (Signal fork) - Molly is an independent Signal fork for Android
Safe Text - A texting service that is built with state-of-the-art technology to ensure your privacy and...
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.