Axolotl is described as 'complete cross-platform Signal client, compatible with the Ubuntu Phone and more. Unlike the desktop Signal client, Axolotl is completely autonomous and doesn't require you to have created an account with the official Signal application' and is a Instant Messenger in the Social & Communications category. There are more than 25 alternatives to Axolotl for a variety of platforms, including Android, Windows, Linux, Mac and iPhone. Most alternatives are Instant Messengers and Encrypted Chat Apps. The best alternative is Telegram, which is free. Other great apps like Axolotl are Signal (Free, Open Source), Element (Freemium, Open Source), Jitsi (Free, Open Source) and Matrix.org (Free, Open Source).
Messenger Lite is a fast and data-efficient messaging app to reach the people in your life. Installs quickly. It's less than 10MB to install, saving storage space on your phone. Saves data. It loads fast, runs efficiently and uses less mobile data.
Back in 2018, Signal allowed the user to set a passphrase to secure the local message database. But this option was removed with the introduction of file-based encryption on Android. Molly brings it back again with additional security features.
Cwtch (/k?t?/ - a Welsh word roughly translating to “a hug that creates a safe place”) is a decentralized, privacy-preserving, multi-party messaging protocol that can be used to build metadata resistant applications.
Conduit is a simple, fast and reliable chat server powered by Matrix. Conduit is an alternative to Synapse and tries to be lightweight and easy to install, but it is still in development. What is Matrix?