Proprietary Development Environment definition
Proprietary Development Environment means any proprietary programs used in the development environment for the Relevant Software in electronic form, including compilers, workbenches, tools and higher-level (or proprietary) languages employed by the Subcontractor for the development, maintenance, and implementation of the source code, for which there is not a commercially available alternative available to the Operator on reasonable terms through readily known sources other than the Subcontractor.