Best CRM for Small Business, also known as customer relationship management software. Simple, lightweight, easy-to-use CRM tool for small businesses. Rated as the best CRM to track leads, stay organized, and follow up. Try free. my top 5 CRM software for small businesses. In the current hypercompetitive business world, small proprietors must take all the advantages that they can. It is one of the most potent tools that can be used to assist with growing, streamlining, and scaling a business. There is a plethora of options out there; however, how can you be sure what CRM solution is the best CRM for small business?