Bitrix24 - Bitrix24 is a free (for small businesses) social enterprise platform. It is a united work space which handles the many aspects of daily operations and tasks. Create your own social intranet in minutes!
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.
VOGSY - Professional service automation tool built on Google G Suite
Zoho CRM - Omnichannel CRM for Businesses of all sizes
Office Timesheets - Professional Services Automation
Freshsales CRM - A full-fledged CRM for high-velocity sales teams.