An encrypted messaging app focused on privacy, supporting texts, calls, photos, videos, files, and group chats, with no ads or trackers.
Experience instant messaging with remarkable speed and robust security. Join massive group chats or channels. Enjoy free and advanced features.
A secure collaboration app with end-to-end encryption and interoperability across web, desktop, and mobile. Includes chat, voice, and video calls.
A versatile platform for text and voice communication, featuring topic-specific channels, customizable moderation, and smooth low latency interactions.
Open protocol for decentralized, end-to-end encrypted communication supporting instant messaging, VoIP, IoT, data persistence, and silos bridging over federated servers.
Pidgin is a chat program which lets you log into accounts on multiple chat networks simultaneously. This means that you can be chatting with friends on XMPP and sitting in an IRC channel at the same time.
With the rise of widespread government monitoring programs, Tox is an easy to use application that allows you to connect with friends and loved ones without anyone else listening in.
Facilitates teams' real-time collaboration with versatile chat interface and advanced search in configurable channels across multiple platforms.
Open source, low-latency voice chat offering high quality audio, secure encryption, self-hosting, in-game overlays, positional audio, and granular permissions.
Free messaging without SMS fees, web sync, and multimedia sharing, supporting group and video chats, available on iPhone, Android, and desktop.
SimpleX - the most private and secure chat and applications platform - now with double ratchet E2E encryption! Built on Haskell with Love and Coffee.
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.
Instant messaging with text, voice, video calling, screen sharing, privacy controls, customizable permissions, moderation, bots, and open-source design.
Experience seamless messaging integration across 14 networks with this universal app, available on multiple platforms and offering real-time sync.
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.
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.
Self-hosted platform for chat, workflow automation, voice calls, screen sharing, AI-powered features, third-party integrations, and team messaging.
Threaded group chat with topics for live or async collaboration, open-source, supporting self-hosted or cloud use, suited for organized team discussions.
Use crystal clear sound to communicate with your team mates cross-platform with military-grade security, lag-free performance & unparalleled reliability and uptime.
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.
Uses email as a decentralized chat platform with modern interface, open source code, no central servers, strong privacy controls, and no account signup.
Lightweight chat platform for gamers and teams, offering low-latency voice and video, unlimited text channels, task management, and privacy-focused messaging.
Open-source messaging platform with real-time group, direct, and private chats, file sharing, video conferencing, custom integrations, and self-hosting.
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