Openwave® Phone Simulator is a free software development kit that makes creating innovative mobile applications even easier. This flexible and powerful programming tool features the latest versions of the Openwave® Mobile Browser and Openwave® Mobile Messaging Client, as well as documentation and sample code for authoring wireless applications using XHTML/CSS and MMS-SMIL.

Puedes descargarlo aquí.

Simulador de SMPP y librería de desarrollo para java de LogicaCMG.

 Te permitirá evaluar tus desarrollos contra el simulador sin necesidad de estar conectado al SMSC.

 Descargable desde aquí