OpenTok - Build a custom video experience using our robust APIs, or add plug-and-play video to your website in minutes using Video Chat Embeds. Start Building for FreeTalk to SalesTalk to Sales .

Discord - Step up your game with a modern voice & text chat app. Crystal clear voice, multiple server and channel support, mobile apps, and more.

Twilio Video - Real-time video infrastructure and SDK

Mumble - Mumble is an open source, low-latency, high quality voice chat software primarily intended for use...

Twilio - Brings voice and messaging to your web and mobile applications.

Twitch - Twitch is one of the most prominent streaming services around, serving as a platform primarily for video game and pop culture streamers.