SentryPeer is a SIP honeypot and fraud-detection tool that records hostile VoIP activity and can share collected data through peer-to-peer networking.
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SentryPeer is a SIP honeypot and fraud-detection tool that records hostile VoIP activity and can share collected data through peer-to-peer networking.
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Discover the best free and open source Discord clients and modifications for Linux, offering plugins, themes, privacy features and more.
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Tox is a peer-to-peer instant-messaging and video-calling protocol that offers end-to-end encryption. We recommend the finest Tox clients.
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Voice over IP (VoIP) software enables telephone-like voice conversations across IP based networks.
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OpenSIPS is a mature SIP server designed for professional VoIP and real-time communications platforms.
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baresip is a portable SIP user agent designed as a minimal and modular VoIP client.
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Fluxer is an instant messaging and VoIP platform designed for friends, groups, and communities.
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Calls is a simple, elegant phone dialer and call handler for GNOME.
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GOnnect is a provisioned SIP softphone for Linux with contact and calendar integration, headset controls, Jitsi meetings and real-time text.
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Empathy is an instant messaging (IM) and voice over IP (VoIP) client which supports text, voice, video, file transfers, and more.
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qTox is a chat, voice, video, and file transfer IM client using the encrypted peer-to-peer Tox protocol.
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Ekiga is a VoIP and video conferencing application for GNOME. Ekiga uses both the H.323 and SIP protocols.
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Kamailio is a scalable SIP server for registration, routing, load balancing, NAT traversal, presence and WebRTC signalling on Linux.
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Wire offers encrypted messaging, file sharing and calls, with an experimental Linux desktop client and Messaging Layer Security.
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Asterisk powers PBX systems, VoIP gateways and call centres, with flexible SIP routing, conferencing, voicemail and developer APIs.
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FreeSWITCH is a modular Linux telephony platform for SIP switching, media processing, call recording, IVR and conferencing services.
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Linphone is a SIP softphone for Linux, offering voice and video calls, messaging, contact management and encrypted communications.
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GNU Gatekeeper manages H.323 networks with endpoint registration, call routing, NAT traversal, authentication and gatekeeper clustering.
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Jami provides decentralised encrypted calls, video conferencing, group messaging and file sharing on Linux without a central server.
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Mumble provides low-latency voice chat for groups, combining Opus audio, positional sound, access controls and self-hosted servers.
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