I would recommend MirrorFly ,Is one of the best Communication & Online Collaboration tools widely used by many companies to perform real-time messaging securely with AES 256 and end-to-end Encryption protection.Accessible from any Andriod,ios & Web platforms,it is a remote collaboration tool that is 100% customizable, has upgradable features for providing the best chat experience.
Among all the remote online collaboration software MirrorFly is uniquely designed with multiple functionalities intended for businesses to configure a messaging platform.