Pulse SMS - Pulse SMS is a next-generation SMS and MMS application that is fast, secure and packed with lots of modern features as well as customization feature you cloud want.

Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.

QKSMS - QKSMS is a beautiful communication app that offers magical texting experience.

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.

Textra - Textra is a seriously beautiful, feature rich SMS and MMS app.

Tox - Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.