Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Stickies - Stickies is a PC utility written to replace Post-It-style notes left stuck to your monitor.
Standard Notes - A safe place for your notes, thoughts, and life's work
Indicator Stickynotes - Floating colourful sticky note windows on your desktop!
Startup Notes - Most actionable advice from each Startup School speaker
Pystickynote - Stickynotes for your desktop easily from the command line.