Trello is a web-based Kanban-style list-making application. Originally made by Fog Creek Software in 2011, it was spun out to form the basis of a separate company in 2014 and later sold to Atlassian in January 2017.
Preplar is a homework assignment and task organisation app for students. It saves the ever growing pile of homework from becoming daunting. Own your homework with one simple website.
The inspiration for Fadeboard is a white board. However, when you wipe it away you can always recover what you have previously written. With Fadeboard, you can take notes passively and they will be automatically organized by time.