BCM - Blockchain Messenger is described as 'BCM is a highly secure communication platform. Each message is strictly encrypted, and no third party can decipher the content' and is an app in the bitcoin & cryptocurrency category. There are more than 100 alternatives to BCM - Blockchain Messenger for a variety of platforms, including Android, iPhone, Windows, Mac and iPad apps. The best BCM - Blockchain Messenger alternative is Signal, which is both free and Open Source. Other great apps like BCM - Blockchain Messenger are Telegram, Element, Matrix and Tox.
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.
Kik is way more than just messaging. It’s the easiest way to connect with your friends, stay in the loop, and explore – all through chat. No phone numbers, just pick a username.
Utopia P2P Ecosystem. Utopia is a feature-rich platform that is specifically designed to protect privacy of communication, confidentiality, and security of personal data. Utopia is a decentralized network, with no central server involved in data transmission or storage.
Quantum-resistant encrypted messaging, video/audio calls, and file transfers in the browser with optional registration and no downloads required.
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