Boltgram is a fast, secure and nice messaging app that uses Telegram’s API. You can enjoy all the features of Telegram, such as end-to-end encryption, cloud-based storage, group chats, channels, bots, stickers, and more. But that’s not all.


Keybase is described as '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' and is a very popular Encrypted Chat app in the security & privacy category. There are more than 50 alternatives to Keybase for a variety of platforms, including Android, Linux, Windows, Mac and iPhone apps. The best Keybase alternative is Signal, which is both free and Open Source. Other great apps like Keybase are Telegram, Element, Tox and WhatsApp.
Boltgram is a fast, secure and nice messaging app that uses Telegram’s API. You can enjoy all the features of Telegram, such as end-to-end encryption, cloud-based storage, group chats, channels, bots, stickers, and more. But that’s not all.


A fork of Signal for Android with proprietary Google binary blobs removed. Uses OpenStreetMap for maps and a websocket server connection, instead of Google Maps and Firebase Cloud Messaging.
At this point in the digital world, our personal digital metadata – not just our messages, but data about who talks to whom, when, and where – has been marketed, auctioned, and monetized hundreds of thousands of times over.








Converse is a messaging app for decentralized, secure, end-to-end encrypted conversations. Built on the XMTP network, Converse lets you own your conversations and take them anywhere whenever you want, ensuring your most important messages—the ones you never want to lose or be...



Keyoxide allows you to link accounts on various online services and platforms together, prove they belong to you and establish an online identity. This puts you, the internet citizen, in charge when it comes to defining who you are on the internet instead of large corporations.



all-in-one Communication and Collaboration Platform. The NYNJA platform combines the benefits of instant chat, video conferencing, screen sharing, file sharing, asset management collaboration, and much more, in one fast, easy and reliable platform.




Zoho Cliq simplifies your team communication with organized conversations, information that's easy to find and by connecting to the tools you love. Transform ideas into reality with your team. With channels, your team communication is visible, transparent and efficient.






Smoke Messenger is an open-source Instant Messenger that is known as the first mobile Messenger worlwide using the encryption algorithm McEliece. To be downloaded at F-Droid.org or Github.com. Smoke provides with its own Server-Software: SmokeStack-Echo-Server.



Keybase isn't primarily a messenger like a lot of people think. It's for secure collaboration. The original functionality is storing, sending, verifying crypto keys and messages, to which keys.pub comes closest. I wish keys.pub would expand into more keybase functionality though. With Zoom acquiring Keybase, we need an alternative.