Feather Attribution - A free and tiny javascript library to track UTM tags, ref and referrer data client side so you can store these in your own database.
Nirow - Habit tracking: Automated, Siri-ed, Calendar-ed, and More!
LoyalAs - Get and track referrals automatically.
Purp - A smart to-do list and goal tracker app
ToneDen Lasso - Put fan and customer acquisition on autopilot
Stratagem - Build your best life.