I recently tried out Insightly's servise and I absolutely appreciate it! It's extremely intuitive and user-friendly, making it easy for me to keep track of all my customer relationships as well as manage projects. Plus, the pricing is very affordable compared to some of the other similiar to this project management systems out there - a total win! I highly recommend Insightly.
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.
CiviCRM - A Constituent relationship management for the Civic Sector
Zoho CRM - Omnichannel CRM for Businesses of all sizes
Odoo CRM - Open Source CRM
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.
Less Annoying CRM - A simple customer relationship manager made just for small businesses. Manage contact info, track leads, and never miss a follow-up.