ClickUp is a project management tool that helps users manage their teams and simplify their to-do lists. Prices range from $0 to $19+/user/month.
OptinMonster enables users to create opt-in forms, pop-ups, and other types of website elements. Prices range from $19 to $99 per month.
Infusionsoft by Keap automates sales, marketing, and business processes. Prices range from $199-$399/month + $499-$1,999 (one-time coaching fee).
SharpSpring is a marketing tool that helps users generate more leads and increase conversion rates. Monthly fees start at $450 for 1,500 contacts.