HubSpot CRM - Free CRM software for small businesses.
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Less Annoying CRM - A simple customer relationship manager made just for small businesses. Manage contact info, track leads, and never miss a follow-up.
Drift - A messaging app that helps you grow your business.
Keap - Grow Sales. Save Time. Get Organized.
Stonly - Create interactive step-by-step guides