Simple Notes by AngkorWorld VS Notepin

Stickies - Stickies is a PC utility written to replace Post-It-style notes left stuck to your monitor.

Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.

TopXNotes - TopXNotes is a personal notes and information organizing tool that you can use on iOS or Mac OS.

Left - A minimalist multi-platform text editor

FastNote - FastNote app allows users to create notes in order to manage all their daily tasks without much of a stretch.

Agenda - A date-focused note taking app for both planning and documenting your projects.