transmitsms TransmitSms by: transmitsms .NET Core 3.1 185,902 total downloads last updated 8/19/2020 Latest version: 2.1.0 TransmitSMS client library for dotnet TransmitSMSAPI by: transmitsms .NET Framework 3.5 13,064 total downloads last updated 3/23/2013 Latest version: 1.0.7 for Transmit SMS API v1 (DISCONTINUED)