7todos - A task board for indie hackers
Chipmunk - Powerful workflow for smart creative teams
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
UXpin - Design is really about solving problems. UXPin is the UX Design Platform that gets that right.
Tasks - The new task app from the team that brought us Wunderlist, Microsoft To-Do is a great way to manage tasks. List everything you need to do—or import tasks from Outlook, Todoist, and Wunderlist so you don't have to start over.
Octopus Tasks - Earn by doing micro-tasks for companies and friends.