Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Hyperping - Cheap uptime and performance monitoring with detailed reporting and flexible alerting
Todo - Todo is a to-do and task list app.
UXPin + Slack - Keep tabs on design projects in Slack
Prodeus - Track your time learning on YouTube to earn your free degree
WebGazer - Monitor your website's availability with WebGazer, review its performance and get instant notifications when your website goes down. No installation required and free plan available.