0xchat is described as 'Secure chat app built on the Nostr protocol. It prioritizes security, featuring private key login, encrypted private chats and contacts, encrypted group chats' and is a instant messenger in the social & communications category. There are more than 50 alternatives to 0xchat for a variety of platforms, including Android, Mac, Linux, iPhone and Windows apps. The best 0xchat alternative is Signal, which is both free and Open Source. Other great apps like 0xchat are Telegram, Element, Discord and Matrix.
Wire is the most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most secure end-to-end-encryption.
Decentralized messaging app enabling secure peer-to-peer communication over Bluetooth mesh networks with end-to-end encryption, channel-based group chats, store & forward delivery, automatic peer discovery, no accounts or phone numbers, and privacy safeguards.
Jami (formerly GNU Ring, SFLphone) positions itself as a potential free Skype replacement
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.
An open-source decentralized and encrypted messaging app even without internet connection via Wi-Fi and Bluetooth. Messages are stored securely on your device, not in the cloud. Connect directly with nearby contacts - no Internet access is required.
Disroot is a platform providing online services based on principles of freedom, privacy, federation and decentralization.
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.
Self-hosted collaboration platform featuring chat, workflow automation, voice and video calling, screen sharing, AI capabilities, broad third-party integration support, cross-platform apps, compatibility with Slack imports, and flexible deployment options for secure team communication.
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.
Embrace lag-free, secure voice chats with TeamSpeak, offering cross-platform compatibility and low CPU usage. Enjoy advanced audio controls, push-to-talk, in-game overlay, and security-focused privacy features, tailored for gamers seeking seamless communication.
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.
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