Sirius Planner makes it easy to plan and keep track of work across different time, projects and people. It offers a calendar view in which you can drag, prioritise and tag tasks - imagine Google Calendar but where you can colour-code and reorder tasks.
The Food Menu Project allows eateries to host their food menus in a way that they can easily be filtered based on allergens, price, and other specific criteria. This is especially useful for people with food intolerances/allergies.