Peer-to-peer chat application with end-to-end encryption for private messaging, calls, and file sharing.
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LinphoneBelledonne Communications
BelledonneCommunications.Linphonev6.2.4
An open source SIP phone for voice/video calls, instant messaging and conference calling.
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Telegram DesktopTelegram FZ-LLC
Telegram.TelegramDesktopv7.3.3
A cloud-based mobile and desktop messaging app with a focus on security and speed.
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BeeperBeeper Inc.
Beeper.Beeperv4.3.229
All your chats in one app. Yes, really.
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H
HidaChatMassimo Balestrieri (hidaba)
hidaba.HidaChatv1.3.0
Portable Windows desktop client (.NET 9 / WPF) with multi-account tabs for WhatsApp and Telegram, built-in message translation, and background preloading.
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Signal BetaSignal Messenger, LLC
OpenWhisperSystems.Signal.Betav8.33.0-beta.1
Private messaging from your desktop. Beta Desktop Client.
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SignalSignal Messenger, LLC
OpenWhisperSystems.Signalv8.32.0
Signal is an encrypted communications application.
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WeChat腾讯科技(深圳)有限公司
Tencent.WeChat.Universalv4.1.15.56
Connecting a billion people with calls, chats and more
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FluxerFluxer Platform AB
Fluxer.Fluxerv2026.1018.223338
A chat app that puts you first.
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ElementElement
Element.Elementv1.12.32
Secure collaboration and messaging
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ViberRakuten
Rakuten.Viberv29.1.0.0
Free and secure calls and messages to anyone, anywhere.
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SessionOxen Labs
Session.Sessionv1.18.2
Onion routing based messenger
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N
NATS ServerNATS Authors
NATSAuthors.NATSServerv2.15.1
High-Performance server for NATS.io, the cloud and edge native messaging system.
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RuqolaKDE e.V.
KDE.Ruqolav2.9.0
Rocket.Chat client
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S
Slack Chat API CLIOpen CLI Collective
OpenCLICollective.slack-chat-cliv3.2.74
Command-line interface for Slack Web API
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SimpleX ChatSimpleX
SimpleX.SimpleX-Chatv7.0.3
SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS,
Android and desktop apps 📱!
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DeltaChatDeltaChat Developers
DeltaChat.DeltaChatv2.62.0
A decentralized and secure messenger app
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SecAmmo Local ResolverSecAmmo
SecAmmo.LocalResolverv0.15.0
Optional Windows companion for local DNS and secure SecAmmo BYOK lookups.
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WhatsApp AI ProFernloop Technologies Limited
FernloopTechnologies.WhatsAppAIProv2.0.14
Desktop AI that auto-replies on your own WhatsApp account in 90+ languages, no Business API required. Paid subscription, USD 49/month or USD 499/year, with a 7-day free trial.
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Trillian (EXE)Cerulean Studios, LLC
CeruleanStudios.Trillian.EXEv6.6.0.19
A modern and secure instant messaging for people, business and healthcare
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TrillianCerulean Studios, LLC
CeruleanStudios.Trillianv6.6.0.19
A modern and secure instant messaging for people, business and healthcare
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Global RelayGlobalRelay
GlobalRelay.GlobalRelayv4.4.0
Collaborate with your colleagues and peers across the finance world
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Nicotine+Nicotine+ Team
Nicotine+.Nicotine+v3.3.11
Graphical client for the Soulseek peer-to-peer network
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Messenger Nextrozsazoltan
Rozsazoltan.MessengerNextv1.9.0
A lightweight, distraction-free desktop wrapper for Facebook Messenger.
