Communication

Single inbox that bridges WhatsApp, Telegram, Signal, Slack and other networks into one desktop chat list.

●No known warnings · checked 30 Jul 2026

communicationproductivity

Thunderbird fork that ships extra fixes and features which have not been merged into the upstream release.

●No known warnings · checked 30 Jul 2026

communication

Lightweight GTK email client that stores mail as plain files and adds features through a large plugin set.

●No known warnings · checked 30 Jul 2026

communication

Chat app that sends messages over ordinary email accounts, encrypting them end to end where both sides support it.

●No known warnings · checked 30 Jul 2026

communication

Voice, video and text chat organised into servers and channels, with persistent rooms that stay open between sessions.

●No known warnings · checked 30 Jul 2026

communicationgaming

Matrix client for chat and calls, able to connect to any homeserver including one you run yourself.

●No known warnings · checked 30 Jul 2026

communicationsecurity-privacy

Email, calendar and contacts client whose free licence covers personal use on one device with two accounts.

●No known warnings · checked 30 Jul 2026

communicationproductivity

Container app that holds many web messengers in one window, each service kept in its own tab and session.

●No known warnings · checked 30 Jul 2026

communicationproductivity

IRC client written in Rust with a modern interface, configured through a single TOML file.

●No known warnings · checked 30 Jul 2026

communication

Terminal IRC client with a split-window layout and a Perl scripting interface for automating channel tasks.

●No known warnings · checked 30 Jul 2026

communicationdeveloper-tools

Peer-to-peer calling and messaging app that connects clients directly, with no central account server in between.

●No known warnings · checked 30 Jul 2026

communicationsecurity-privacy

Desktop app for Jitsi Meet video calls, working with the public service or any self-hosted Jitsi server.

●No known warnings · checked 30 Jul 2026

communication

KDE IRC client with per-channel settings, nickname watch lists and automatic reconnection to saved networks.

●No known warnings · checked 30 Jul 2026

communication

Messenger widely used in Japan and Southeast Asia, with a desktop client for chats, calls and sticker shops.

●No known warnings · checked 30 Jul 2026

communication

Open-source SIP softphone for voice, video and instant messaging with any standards-based VoIP provider.

●No known warnings · checked 30 Jul 2026

communication

Email client with a native C++ sync engine and one unified inbox across IMAP, Gmail and Office 365 accounts.

●No known warnings · checked 30 Jul 2026

communication

Desktop client for Mattermost servers, letting a team run its own channel-based chat on its own infrastructure.

●No known warnings · checked 30 Jul 2026

communicationdeveloper-tools

Chat and meeting app from Microsoft, with a free tier covering group calls of up to 60 minutes.

●No known warnings · checked 30 Jul 2026

communicationproductivity

Desktop email client with a built-in calendar, address book and OpenPGP encryption for outgoing messages.

●No known warnings · checked 30 Jul 2026

communicationproductivity

Low-latency voice chat for gaming and teamwork, running on servers that anyone can host themselves.

●No known warnings · checked 30 Jul 2026

communicationgaming

Multi-protocol chat client that keeps XMPP, IRC and other accounts in one buddy list, extended through plugins.

●No known warnings · checked 30 Jul 2026

communication

Desktop app for Rocket.Chat workspaces, able to hold several self-hosted or cloud servers in one window.

●No known warnings · checked 30 Jul 2026

communication

Encrypted messenger that identifies accounts by a random ID instead of a phone number, routed over a node network.

●No known warnings · checked 30 Jul 2026

communicationsecurity-privacy

End-to-end encrypted messenger whose desktop app links to a phone account and keeps message keys on the device.

●No known warnings · checked 30 Jul 2026

communicationsecurity-privacy

Messenger with no account identifiers at all: contacts are added through one-time invitation links or QR codes.

●No known warnings · checked 30 Jul 2026

communicationsecurity-privacy

Team chat organised into channels and threads, with a free tier that keeps the most recent 90 days of history.

●No known warnings · checked 30 Jul 2026

communicationproductivity

Voice chat client for hosted servers, with a permission system that controls who may speak in each channel.

●No known warnings · checked 30 Jul 2026

communicationgaming

Native desktop client for Telegram, with cloud-stored chat history that appears on every signed-in device.

●No known warnings · checked 30 Jul 2026

communication

Swiss encrypted messenger paid for once rather than by subscription, with accounts that need no phone number.

●No known warnings · checked 30 Jul 2026

communicationsecurity-privacy

Encrypted mail service with a desktop client that keeps mailbox contents and the search index encrypted on device.

●No known warnings · checked 30 Jul 2026

communicationsecurity-privacy

Messaging and calling app tied to a phone number, with a desktop client that mirrors chats from the mobile app.

●No known warnings · checked 30 Jul 2026

communication

Terminal chat client built around IRC, extended with scripts in Python, Perl, Ruby and other languages.

●No known warnings · checked 30 Jul 2026

communicationdeveloper-tools

Desktop build of the phone-number based messenger, running as a companion device linked to the mobile account.

●No known warnings · checked 30 Jul 2026

communication

End-to-end encrypted messenger with a free personal plan covering chats, calls and screen sharing on desktop.

●No known warnings · checked 30 Jul 2026

communicationsecurity-privacy

Vietnamese messaging app whose desktop build adds large file transfers, screen capture and task assignment.

●No known warnings · checked 30 Jul 2026

communication

Video meeting client whose free plan hosts up to 100 participants with a 40-minute limit per meeting.

●No known warnings · checked 30 Jul 2026

communication

Team chat that files every message under a named topic inside a channel, keeping parallel discussions apart.

●No known warnings · checked 30 Jul 2026

communicationproductivity