ColDet 3D Collision Detection Library is a library that provides collision detection for generic polyhedra. Its purpose is mainly for 3D games where accurate detection is needed between two non-simple objects. It also includes a fast multi-object system that quickly prunes the space of pairs to be checked, and additional support functions such as tests for ray picking.
Magento Partial Payment is a module that adds support to Magento for partial payments, payment installments, and layaway solutions. Customers can pay a set proportion of the price of a product, and the remaining amount can be paid after configurable time period, so customers have the option to purchase multiple products simultaneously with a lower budget.