Sugar CRM is one of the most popular CRM software solutions in the world and is used by businesses of all sizes, ranging from startups that are just getting off the ground, all the way to multinational enterprises with thousands of staff members scattered in offices around the globe. The CRM is highly innovative and adaptable, which makes it especially attractive for startups. The Sugar Professional edition is affordable, even for the smallest businesses. It gives you plenty of sales automation, forecasting, customer support case management, lead management and custom sales campaign features. Each user also receives 15 GB of online storage, which is perfect if you need to keep important business documents all in one place. There are no hidden fees or pressure to upgrade if you don't need to, but you always have the option of seamlessly switching to a more powerful edition as your business grows.