off-the-shelf adj. Made in large quantities and intended to be used without modifications; similar to off-the-rack, but not restricted to clothing. Opposite of custom-made, made-to-order, or one-of-a-kind.
... spatial database engine, creates intuitive objects from standard geospatial databases and uses commercial databases to add attributes to the objects. This is a very powerful technique that allows geospatial data, a key element of warfighting, to be managed quickly and efficiently using commercial-off-the-shelf (COTS) software. It is particularly useful for distributed databases such as one would find ... — Shock and Awe - Achieving Rapid Dominance • Harlan K. Ullman and James P. Wade