UpNote - A beautiful and clean cross-platform app for notes organizer
Limnu - Sketch, share and collaborate with your team
Notesnook - Notesnook is a simple and private note taking app that keeps your notes organized and synced on your phone, tablet and computer.
Sketchboard.io - Visual Remote Teamwork. Solve problems and create ideas on endless whiteboard with your teammates by sketching.
Note Board - Productivity app. Save information like a sticky notes.
MultiDraw - Draw with others in real time.