Tea Minus - The multi-device office drink round app
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Evabot for Slack - Send coffee/beer as an appreciation gift to colleagues
7todos - A task board for indie hackers
Rebrandly - Rebrandly is the easiest way to create, share and manage branded links.
TaskPaper - Plain text to-do lists for Mac