Uniform Driver Interface -- Public Source Code for runtime environments and drivers based on the UDI Specifications. Single source image for a driver, built once for each ABI (IA32, Sparc, etc.) and then run on any OS that provides UDI!
Open Telephony Server or OtServer for short it's a set of tools for developing telephony applications. A CallFlow Graphical Editor. Dialogic support.
High level language, modelled on awk, for scripts or interactive use, for system administration, software development, software test.