Question: I need a live video SDK that can support a large number of participants with low latency for my virtual event platform.

If you're looking for a live video SDK that can handle a lot of people with very low latency for your virtual event platform, Daily is worth a look. Daily is an enterprise WebRTC platform that can handle up to 100,000 simultaneous real-time users with a median first-hop latency of less than 13ms. It also offers high-definition recording, compositing and streaming, enterprise analytics and strong security. The platform offers APIs and SDKs for Web, iOS, Android, React Native and Flutter, so it can be used in a variety of applications like live events, telehealth and virtual collaboration.

Another option is Agora, which offers real-time engagement features like high-quality voice calling, real-time video chat, interactive live streaming and more. Agora offers customizable SDKs for a variety of platforms, including Android, iOS, Windows, Web and React Native, among others. It also offers advanced features like AI Noise Suppression and 3D Spatial Audio, so it's good for increasing user engagement in social, gaming and educational apps.

If you want a decentralized approach, check out dTelecom Cloud. The platform offers audio/video conferencing and live streaming with support for up to 100,000 users and under 500ms latency. It's built on a global decentralized mesh network that ensures high availability and low latency. dTelecom Cloud also has transparent pricing based on bandwidth usage, so it's a good option for real-time experiences.

Last, ZEGOCLOUD is another option, offering APIs and SDKs for real-time voice, video and chat features. It supports multiple programming languages and frameworks and is designed for high availability and scalability. ZEGOCLOUD's pay-as-you-go pricing model and extensive support make it a good option for a range of industries, including social, education and telehealth.