"Webcam chat" covers a few genuinely different products, and the format you pick matters more than which vendor you choose. Before comparing tools, it's worth being clear about which one your site actually needs.
Multi-user room chat
This is a shared space where many visitors see the same video feeds, text stream, and reactions at once — a community room, a members area, a live event. Moderation tools (bans, invisible mode, private-message controls) matter a lot here, because the whole point is many people coexisting in the same room over time. This is what Dialogoo is built for: a hosted, drop-in room chat with a moderation panel, no server to run yourself.
One-to-one and chat roulette
A different need entirely: pairing two visitors together, either chosen (one-to-one calling) or randomly matched (roulette-style). There's no shared room, no persistent member list, no community moderation queue — just a connect/disconnect loop between two people at a time. If that's the actual feature you're after, HTML5 Chat is a solution built specifically around that style of pairing and one-to-one/roulette video, alongside its own set of embedding and customization options.
Live streaming (one-to-many)
A third pattern: one broadcaster, many viewers, light or no two-way video. Closer to a webinar or a live show than a chat room.
Why this matters before comparing vendors
A room-chat platform retrofitted to do one-to-one pairing, or a pairing tool stretched into a persistent community room, both tend to show it — missing moderation primitives in one direction, unnecessary room/member overhead in the other. Starting from the actual interaction pattern you need, then picking the tool built for it, saves a rebuild later.