ColeSoft builds and supports debugging technology for the software industry. z/XDC is the premier tool for complex applications written in z/OS-based Assembler language. z/XDC can be used in a WIDE variety of environments from simple programs to APF-authorized programs, multitasking programs, Task-Mode or SRB-Mode code - right down into the internals of z/OS itself. c/XDC ports z/XDC's capabilities into IBM XL C, C++ and other C compilers. dump/XDC ports XDC's powerful command structure into the realm of dump-reading. ColeSoft's customers form a "who's who" of prominent ISVs and select financial institutions.