gurk is described as 'Signal Messenger client for terminal. Written in Rust' and is a instant messenger in the social & communications category. There are more than 25 alternatives to gurk for a variety of platforms, including Android, Linux, Mac, Windows and iPhone apps. The best gurk alternative is Signal, which is both free and Open Source. Other great apps like gurk are Telegram, Element, Matrix and Tox.
Keybase is a new and free security app for mobile phones and computers. For the geeks among us: it's open source and powered by public-key cryptography.
Delta Chat looks and feels like other popular messenger apps, but does not involve centralized control, tracking or selling you, friends, colleagues or family out to large organizations. "Privacy by Design" has never been more fun.
Conversations is a privacy focused, open source XMPP Texting [Jabber] client for Android 4.0+ smart phones with wife-approved easy encryption [OTR, OMEMO, or GPG].
Messages is Google's communications app for Android to helps send and receive SMS and MMS messages. You can also send group texts as well as your favorite pictures, videos and even audio messages to your contacts.
An alternative Telegram client based on TDLib, with higher speed, slicker animations and experimental features.
Berty is a secure peer-to-peer messaging app that works with or without internet access, cellular data or trust in the network. Berty is a privacy-first messaging application built on top of the Berty Protocol.
Self-hosted communication platform with secure audio, video, chat, web conferencing, screensharing, advanced encryption, and metadata privacy, running on user-controlled servers, supporting web and mobile apps, and eliminating third-party data exposure.
Dino is a modern open-source chat client for the desktop. It focuses on providing a clean and reliable Jabber/XMPP experience while having your privacy in mind. Using GTK+/Vala.
Status combines a private messenger, secure crypto wallet, and Ethereum Web3 DApp browser into one powerful communication tool. Chat with friends and growing communities. Buy, sell, store, and exchange digital assets.
Cwtch - (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.
WeChat is a complete mobile communication and private social networking app. Free, cross-platform, and full-featured, WeChat is the best way to keep in touch with everyone you care about.
qTox - The most feature-rich Tox client; P2P instant messaging, audio and video calls.
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