Janus WebRTC Server

Janus WebRTC Server is a general-purpose WebRTC server (gateway) designed to establish and manage real-time media sessions with browsers and other WebRTC endpoints. It focuses on handling WebRTC signaling and media transport, while application logic is provided through a modular plugin architecture.

Key Features

• Pluggable server-side modules to implement features like echo tests, conferencing, recording, streaming, and SIP gatewaying
• JSON-based signaling and control API for interacting with plugins
• WebRTC media relay handling RTP/RTCP between peers and server-side components
• Optional API transports such as HTTP REST and WebSockets (build-time optional)
• Designed for a small footprint and deployment flexibility on Linux (and can be compiled on macOS)

Use Cases

• Building custom WebRTC conferencing, audio-bridge, or streaming applications
• Adding WebRTC access to SIP/VoIP infrastructures via gateway plugins
• Implementing media relays, recorders, and test utilities for real-time communications

Limitations and Considerations

• Functionality depends on plugins; the core server does not provide a full application by itself
• Windows is not officially supported (commonly run via Linux environments such as WSL)

Janus is best suited for developers and operators who need a high-performance WebRTC gateway with flexible, modular capabilities. Its plugin-based design makes it adaptable to many RTC architectures while keeping the core lightweight.