Rain is a comprehensive point-of-sale and website system designed to cater to the unique needs of independent retailers. By integrating in-store and online operations, Rain's platform simplifies inventory management, customer interactions, and sales processes. The system is particularly optimized for businesses in niche markets such as sewing, quilting, craft, and hobby stores, offering features like class scheduling and rental management. Rain's platform allows retailers to seamlessly sell products both online and in physical stores, providing a unified customer experience.