Bespoke software is custom or tailor-made software. The value of bespoke software over off-the-shelf software is that it can be designed specifically for key business or legislative objectives.
Techopedia explains Bespoke Software
The term "bespoke" is an old English term that has its roots in the clothing industry. A wealthy man who could afford a custom suit tailored exactly to his measurements instead of a suit made from standardized patterns was said to have a bespoke suit.