Pipedrive - Sales pipeline software that gets you organized. Helps you focus on the right deals, so easy to use that salespeople just love it. Great for small teams.
HotBoomerang - HotBoomerang is a fully customizable contact manager.
Zoho CRM - Omnichannel CRM for Businesses of all sizes
Redtail CRM - Redtail is a web-based client relationship management solution for the financial advisors.
Copper - Copper (formerly ProsperWorks) is easy-to-use customer relationship management for small businesses. Capture contacts and sales leads direct from Gmail with our simple CRM.
Fat Free CRM - Fat Free CRM is an open source CRM designed to be highly customizable; elegant in simplicity.