SecuWine Messenger provides audio calls, video calls, instant messaging, and file transfers, between tablets and smart phones. It operates globally with low latency, and provides effective communication across restrictive computer networks. It supports high-quality media streams (HD 720p). SecuWine Messenger prioritizes privacy and security. By default it provides end-to-end encryption, forward secrecy, and device fingerprinting, using a custom implementation of the asynchronous double ratchet