OptaPlanner - Mathematical optimization software
Beepi - Next gen used car marketplace
MiniZinc - MiniZinc is a free and open-source constraint modeling language.
Driv.ly Concierge - The easiest way to buy a car
Higson.io - Hyperon is a BRMS, that was created with very large decisions and hyper-performance in mind. It stands out with the concept of the business domain which organizes the whole configuration in easy to manage way.
Autotrader - Find used cars for sale at AutoTrader.com. With over 3.