Streaks - The to-do list that helps you form good habits.
Letz - Chat bot that will make you enjoy productivity
Productivity Planner - This package contains a selection of 10 templates that have helped me increase my productivity over the past 5 years.
Minimalist - Password manager for iPhone, iPad, Mac, with iCloud Sync
Rithm - Chat with music
Slack - A messaging app for teams who see through the Earth!