SimpleX Chat
Chat & CommunicationPrivate messenger without any user identifiers
Replaces Signal, WhatsApp
Best Encrypted Chat & Communication for self-hosting
The 21 best Encrypted chat & communication you can self-host, ranked by community traction.
Berty
Chat & CommunicationPeer-to-peer messaging app that works offline
Replaces WhatsApp, Signal
Mumble
Chat & CommunicationLow-latency, high-quality voice chat application
Replaces Discord, TeamSpeak
qTox
Chat & CommunicationPeer-to-peer encrypted messaging and calls over Tox
Replaces Skype, WhatsApp
Quicksy Bridge
Chat & CommunicationXMPP gateway providing phone-number based messaging
Replaces WhatsApp, Signal
Tox
Chat & CommunicationPeer-to-peer encrypted messaging protocol and core
Replaces Skype, Discord
Nextcloud Talk
Chat & CommunicationChat, video calls and webinars integrated into Nextcloud
Replaces Slack, Zoom
mautrix-telegram
Chat & CommunicationMatrix-Telegram puppeting bridge
Replaces Telegram official client
mautrix
Chat & CommunicationCollection of Matrix bridges for popular chat networks
Replaces Beeper
Toxic
Chat & CommunicationTerminal-based client for the Tox messaging network
Replaces Skype, WhatsApp
Delta Chat
Chat & CommunicationDecentralized messenger built on top of email
Replaces WhatsApp, Signal
Briar
Chat & CommunicationPeer-to-peer encrypted messaging that works offline
Replaces Signal, WhatsApp
matrix-commander
Chat & CommunicationCommand-line tool for sending and receiving Matrix messages
Replaces Slack CLI
Session
Chat & CommunicationOnion-routed private messenger with no phone number
Replaces Signal, WhatsApp
Linphone
Chat & CommunicationOpen-source SIP voice, video, and messaging client
Replaces Skype, Zoom
Chatmail Relay
Chat & CommunicationMinimal email server tuned for Delta Chat messaging
Replaces WhatsApp, Signal
Jami Server Bridge
Chat & CommunicationSelf-hosted name registry and bridge for the Jami network
Replaces Skype, Zoom
Comm
Chat & CommunicationE2E-encrypted personal-server messaging app
Replaces Discord, Slack
Wesh Network
Chat & CommunicationP2P encrypted messaging protocol toolkit
Replaces Signal, WhatsApp
Libervia
Chat & CommunicationMulti-frontend XMPP communication ecosystem
Replaces Slack, Facebook
Jami
Chat & CommunicationFully distributed, peer-to-peer encrypted communication
Replaces Skype, Zoom
No apps match these filters.
Every option here is open-source and self-hostable, tagged Encrypted within the chat & communication category. Compare them on the individual app pages for setup difficulty and resource requirements.