Automa - A Chrome extension for automating your browser by connecting blocks.
Streaks - The to-do list that helps you form good habits.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Taskful - Deadlines, meet your match.
Scriptable - Automate iOS using JavaScript
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.