HubSpot CRM - Free CRM software for small businesses.
Linkody - Save time and money by managing your SEO linkbuilding with Linkody.
Less Annoying CRM - A simple customer relationship manager made just for small businesses. Manage contact info, track leads, and never miss a follow-up.
Backlinks by Neil Patel - A backlinks research tool for competitive intelligence
Keap - Grow Sales. Save Time. Get Organized.
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters