Restream is a company that provides a platform for multistreaming, allowing users to broadcast their live streams to over 30 different destinations simultaneously. Their product suite includes a live streaming studio and the ability to turn pre-recorded videos into live streams. Restream offers solutions for content creators to reach wide audiences across various platforms efficiently. The company emphasizes ease of use with features like support for community interaction and integrations with different services, catering to both individual streamers and developers.