Sylo is described as 'Smart Wallet designed for your best digital life. You keep your assets, your contacts and your conversations all in one place' and is a Video Calling app in the social & communications category. There are more than 100 alternatives to Sylo for a variety of platforms, including Android, iPhone, Windows, Mac and Linux apps. The best Sylo alternative is Signal, which is both free and Open Source. Other great apps like Sylo are Telegram, Element, Matrix and Tox.
LINE is transforming the way people communicate, closing the distance between family, friends, and loved ones for free.
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.
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.
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.
The goal of Gajim is to provide a full featured and easy to use XMPP client. Gajim works nicely with GNOME, but does not require it to run. It is released under the GNU General Public License.
ChatSecure is a free and open source messaging app that features OTR encryption over XMPP. You can connect to your existing accounts on Facebook or Google, create new accounts on public XMPP servers(including via Tor), or even connect to your own server for extra security.
Imo is a free, simple,secure and faster international video call & instant messaging app.
Protect your communication in transit and on your phone. Silence (formerly SMSSecure) is a full replacement for the default text messaging application: all messages are encrypted locally and messages to other Silence users are encrypted over the air.
Bitmessage is a P2P communications protocol used to send encrypted messages to another person or to many subscribers. It is decentralized and trustless, meaning that you need-not inherently trust any entities like root certificate authorities.
qTox - The most feature-rich Tox client; P2P instant messaging, audio and video calls.
Android keyboard for secure E2EE communication through the signal protocol in any messenger. Communicate securely and independent, regardless of the legal situation or whether messengers use E2EE.
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