EasySchematic — AV Signal Flow Diagram ToolDesign audio/video signal flow diagrams for broadcast, live production, and AV integration. Free, browser-based, no account required.Features: 210+ device templates, 35+ signal types (SDI, HDMI, NDI, Dante, AES67, MADI, DMX, HDBaseT, ST 2110, and more), smart edge routing, room grouping, DXF/PDF/PNG export.Built for broadcast engineers, AV integrators, and live event professionals.