Out-of-the-box fully standard FAST 1.1/1.2 Encoder and Decoder implementations.
They include versatile diagnostics and a comprehensive suite of sample applications (with the source code) designed to significantly reduce the time and cost of FIX/FAST development and implementation.
Programming Guide and API Documentation .NET Core Codec reference.
Programming Guide and API Documentation .NET Framework Codec reference.
Other useful references:
OnixS Support JIRA - FIX/FAST Codec .NET Core (JIRA user access permissions required)
OnixS Support JIRA - FIX/FAST Codec .NET Framework (JIRA user access permissions required)