HubSpot CRM - Free CRM software for small businesses.
Salesflare - Simply powerful CRM. Automates your data to build better relationships and make more sales.
Bigin by Zoho CRM - Pipeline-centric CRM built and priced for small businesses
Followup.cc - FollowUp for email is a lightweight productivity suite that keeps your conversations and tasks from slipping through the cracks. Set perfectly timed reminders that arrive at the top of your inbox, right when you need them.
InStream CRM - Business relationship management platform - CRM alternative
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.