HOMER - 100% Open-Source SIP, VoIP, RTC Packet Capture & Monitoring

A Go implementation of STUN

Rapida is an open-source, end-to-end voice AI orchestration platform for building real-time conversational voice agents with audio streaming, STT, TTS, VAD, multi-channel integration, agent state management, and observability.

SIP in Go

sipserver,GB28181,ZLMediaKit

Modern and flexible SIP/VoIP cli tool

Go SIP UA library for client/b2bua

HOMER 7.x Front-End and API Server

Portable and Lightweight HEP Capture Agent for HOMER

HEP Capture Server for HOMER

A Go implementation of the SDP

A Go (golang) library to interface with SIP (Session Initiation Protocol) as defined in RFC 3261.

Pàdé (Yoruba word for Meet) is a browser extension (Chrome/Edge) based unified communications desktop client for Openfire.

A programmable voice platform: SIP and WebRTC call control, multi-party mixing, recording, TTS/STT, and pluggable AI agents (ElevenLabs, VAPI, Pipecat, Deepgram) — all driven through a REST API, webhooks, and a WebSocket event stream

Fast SIP and SDP Parser

Lite SIP Server

Open-source SIP & WebRTC load-testing platform — SIPp-compatible scenarios, RTP/SRTP/WebRTC media, HTTP control API, Control UI, and HEP observability.

Always up-to-date LDAP Address Book for FreePBX

SIP stack in Golang

High-performance eBPF-based SIP monitoring service that captures and exports telephony metrics to Prometheus-compatible systems (Prometheus, VictoriaMetrics, etc.)