HubSpot CRM - Free CRM software for small businesses.
Seald - Keep your conversations secure, everywhere.
Less Annoying CRM - A simple customer relationship manager made just for small businesses. Manage contact info, track leads, and never miss a follow-up.
Crypho - End-to-end-encrypted messaging and file sharing
Keap - Grow Sales. Save Time. Get Organized.
Spike - Spike solves businesses' communication chaos by bringing together email, team chat, collaborative docs, and meetings, into one feed.