Logtime - Diary, tasks and goals. All-in-one productivity solution.

Twine - Twine is an open-source tool for telling interactive, nonlinear stories.

Todoist - Todoist is a to-do list that helps you get organized, at work and in life.

RenPy - Ren'Py is a free and cross-platform visual novel engine that helps you use words, pictures, and...

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.

Quest - Quest lets you create sophisticated text-based games, without having to program.