Invision - Prototyping and collaboration for design teams
Focus To-Do - Be focused and make things easier.
Red Pen - Red Pen lets you upload your design, share a short URL, and get live, annotated feedback super-fast.
To-Do Calendar Planner - To-Do Calendar Planner app comes up with a scrollable calendar to enable users to accomplish all your study and other daily life tasks while saving some extra time for other activities.
Viewflux - Feedback, prototyping and collaboration for designers
TimeTable++ Schedule - TimeTable++ Schedule is an app by Happy App Studios that helps you in uploading your Schedule of exams to receive a full study calendar to complete your revision before the exam day without stressing your mind.