HubSpot CRM - Free CRM software for small businesses.
Less Annoying CRM - A simple customer relationship manager made just for small businesses. Manage contact info, track leads, and never miss a follow-up.
Bexio - Bexio helps small businesses manage their accounting, contacts and inventory.
Pipeliner CRM - Pipeliner CRM empowers small to medium-sized sales teams to close more deals and lower risk. Implementation and training are a breeze. Mac & Windows.
Flowlu - Flowlu provides business management software, project management, agile project management and collaboration tools for teams of all sizes.
Zoho CRM - Omnichannel CRM for Businesses of all sizes