Color Hunt - Curated collection of beautiful colors, updated daily
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Color Palette Generator - Enter the URL of an image and find its color palette
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Coolors.co - The super fast color schemes generator! Create, save and share perfect palettes in seconds!
Remember The Milk - Remember The Milk is a task and time management application for mobile devices.