Stickies - Stickies is a PC utility written to replace Post-It-style notes left stuck to your monitor.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Notezilla - Colorful & powerful sticky notes app for Windows & Phones.
Standard Notes - A safe place for your notes, thoughts, and life's work
Memo HD - Memo HD is a simple stickers application that let you store your notes with password.
Startup Notes - Most actionable advice from each Startup School speaker