Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
FullStory - Meet FullStory, the app that captures all your customer experience data in one powerful platform.
TaskPaper - Plain text to-do lists for Mac
BigPicture.io - BigPicture provides company APIs for data-driven B2B teams.
Microsoft To-Do - Task management tool
Branch Metrics - Build high quality user experiences with best-in-class deep linking, all while measuring the complete journey of your users.