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Linphone

Open-source SIP voice, video, and messaging client

Chat & Communication ★ 506 stars Medium setup GPL-3.0

Linphone is a free SIP-based softphone for voice and video calls and instant messaging. Combined with a SIP server it forms a fully self-hosted communication stack across desktop and mobile.

Official siteSource code

Key features

  • SIP voice and video
  • End-to-end encryption with ZRTP
  • Cross-platform clients
  • Instant messaging support

Strengths

  • Released under the GPL-3.0 license
  • Written in C++
  • Tiny footprint — runs in 128 MB RAM

Linphone replaces

Self-hosted Skype alternativesSelf-hosted Zoom alternatives

Compare Linphone

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