To Do List & Notes VS Techo Note (memo /sticky note)

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

Private Notebook - Private Notebook app enables users to remember important daily tasks such as shopping and various other tasks by writing notes and memos.

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

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

Scrawl - Scrawl is a notes taking and memo app that lets you keep track of the things that are important for you, like daily routine tasks, projects, reminders, calculations, or accountability of someone.

Voice Notes - Voice notes come up with features to help you in keeping track of all your daily life activities and tasks by creating notes without much of a stretch.