DO-330 is a set of considerations which can also be used outside airborne and ground based avionics systems.  It is not a supplement DO-178C & DO-278A like DO-331, 223, and 333. DO-330 was developed for the following reasons: Tools are different from the software developed using the tools and form a unique domain; therefore, tool-specific guidance for both tool developers and tool users is needed. Tools are often developed by teams other than those who use the tools to develop software. Typically, these tool development teams do not have software guidance backgrounds. Having a tool specific document helps tool development Continue Reading > > >