The Vonage Video Server SDKs let you create sessions, generate tokens, and work with Vonage Video API archiving.
The OpenTok Server SDKs are available for the following languages:
The OpenTok Server SDKs wrap the OpenTok REST API. They let developers securely create sessions and generate tokens for their applications that use the Vonage Video API. Developers also use the server SDKs to work with OpenTok archives. Use them in conjunction with the OpenTok WebRTC client SDKs.