Keychat is described as '- Senders send messages stamped with Bitcoin ecash to Nostr relays. The Nostr relays collect the Bitcoin ecash, then deliver messages to receivers' and is a instant messenger in the social & communications category. There are more than 50 alternatives to Keychat for a variety of platforms, including Android, iPhone, Mac, Windows and Linux apps. The best Keychat alternative is Signal, which is both free and Open Source. Other great apps like Keychat are Proton Mail, Telegram, Element and Gmail.
Open-source messaging platform enabling private, identifier-free chats, encrypted group discussions, file and media sharing, plus audio and video calls. Employs double-ratchet protocol, stores user data on-device, protects metadata, and lets users self-host relay servers.
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.
Offers unified communication for teams with advanced real-time messaging, contextual features, versatile chat tools, and organized conversations in dedicated channels with integrated file sharing on Mac, Windows, Linux, and mobile platforms for enhanced productivity.
Instant messaging platform supporting text and voice channels, live video calls, secure screen sharing, private group chats, customizable permissions, moderation tools, bot integration, privacy-focused design, open-source development, and cross-platform use.
Open source decentralized communication platform supporting secure end-to-end encrypted calls, messaging, group conferencing, file and media sharing, SIP compatibility, multi-device sync, and strong privacy, available across desktop and mobile systems.
Exchange messages without SMS fees using this app for iPhone, Android and desktop, featuring group chats, multimedia sharing, and video calls. The app requires an internet connection and the latest version for optimal functionality.
Secure communication platform featuring encrypted chats and calls, file and media sharing, self-deleting messages, device verification, group collaboration, and customizable settings. Supports use across multiple devices with no phone number required for access.
Censorship-resistant peer-to-peer messaging that bypasses centralized servers. Connect via Bluetooth, Wi-Fi or Tor, with privacy built-in.
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.
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.
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.
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