You can add multiple IP streams (RTMP, SRT, RTSP, or HLS) as media sources. OBS allows you to output a dedicated Multiview window to a secondary monitor.
For security professionals needing to monitor dozens of IP cameras (RTSP/ONVIF), these are the leading open-source enterprise-grade solutions. ip multiviewer software open source exclusive
| Feature | Open-Source Multiviewer | "Free Tier" Commercial | |--------|------------------------|------------------------| | Unlimited inputs | ✅ (hardware-permitting) | ❌ Usually capped at 4 | | Source code access | ✅ Full | ❌ None | | Local audio monitoring | ✅ Yes | Often paywalled | | Custom layouts (XML/JSON) | ✅ Unlimited | Limited presets | | No phoning home | ✅ 100% offline option | ❌ Telemetry typical | | Fork & redistribute | ✅ MIT/GPL | ❌ Prohibited | You can add multiple IP streams (RTMP, SRT,