Joplin - Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.
Stickies - Stickies is a PC utility written to replace Post-It-style notes left stuck to your monitor.
Boostnote - Boostnote is an open-source note-taking app.
Notezilla - Colorful & powerful sticky notes app for Windows & Phones.
Day One - A simple journal application for the Mac, iPhone, and iPad. AboutTo learn more about Day One, see these two excellent reviews . PublishPublish is not available in Day One 2.
AltarSoft Sticky Notes Manager - AltarSoft Sticky Notes Manager is an electronic or digital sticky note making application to add the simple sticky notes on the desktop about the important tasks and events and getting in touch with them all the time.