SecureBit.chat is described as 'World's most secure P2P messenger. End-to-end encrypted, zero-server architecture, quantum-resistant roadmap. WebRTC direct connections, advanced ECDH + DTLS + SAS verification, full ASN.1 validation' and is a instant messenger in the social & communications category. There are more than 50 alternatives to SecureBit.chat for a variety of platforms, including Android, Mac, Linux, Windows and iPhone apps. The best SecureBit.chat alternative is Signal, which is both free and Open Source. Other great apps like SecureBit.chat are Telegram, Element, Matrix and Jitsi Meet.
Threema is a new mobile messaging app that puts security first. With true end-to-end encryption, you can rest assured that only you and the intended recipient can read your messages.
Fossify Messenger is your trusted messaging companion, designed to enhance your messaging experience in various ways.
Provides a chat experience over email, with all messages and contacts stored on user devices, open source code, group media support, and compatibility with any provider. No central servers, no tracking, works without SIM, and can be used by anyone just via email.
Threaded group conversations combine live and asynchronous messaging, separating topics for organized collaboration, supporting open-source, cloud, and self-hosted deployments, secure communication with encryption, and multi-platform access for diverse teams.
Open source, decentralized platform enabling encrypted chat, secure voice and video calls, anonymous file sharing with swarming, censorship-resistant forums, channels, link sharing, and offline messaging. Uses OpenPGP and OpenSSL for robust privacy and security.
It is the brand new, and fastest ever, Matrix client. It is for personal and community use, and will support enterprise functionality later this year.
Encrypted messenger supporting multi-platform access, unlimited group and private chats, file and voice message sharing, decentralized operation, open-source code, custom themes including dark mode, advanced moderation, push notifications, and no advertisements.
Offers secure messaging with end-to-end encryption, unlimited free calls, group chats for up to 250 members, rich media sharing, emoji reactions, AR lenses, self-destruct messages, affordable international calls, community channels, and robust privacy across devices.
Provides robust video meetings with up to 100 participants, screen sharing, real-time chat, cloud recording, whiteboard and document collaboration, AI-generated meeting summaries, seamless device switching, phone and messaging integration, and multitasking support.
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.
Linphone is one of the most famous open source softphones in the world. It is fully SIP-based, for all calling, presence and IM features.
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