Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
Stickies - Stickies is a PC utility written to replace Post-It-style notes left stuck to your monitor.
Sketch - Professional digital design for Mac.
7 Sticky Notes - Welcome to the 7 Sticky Notes Website! 7 Sticky Notes is a cool 100% free desktop notes software that creates Sticky Notes directly at the Desktop of your computer to help you organizing your everyday tasks and to-do lists.
Invision - Prototyping and collaboration for design teams
Microsoft Sticky Notes - A brand new Sticky Notes for Windows has arrived!