V12 Data - V12 Data offers rich data sets with verified addresses and emails for personalized marketing campaigns.
QuietKit - Guided meditation for beginners (for free)
Lotame - Make your data actionable, learn about your most valuable customers, improve ROI by targeting the right audience and increase relevance across screens.
Habit List - Create good habits and break bad ones with the app that keeps you focused.
Google Audience Center - 3 votes and 6 comments so far on Reddit
Productivity Planner - This package contains a selection of 10 templates that have helped me increase my productivity over the past 5 years.