Techo Note (memo /sticky note) - Techo Note (memo /sticky note) app provides features through which users can record their activities on a daily basis in order to increase their productivity.
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.
FastNote - FastNote app allows users to create notes in order to manage all their daily tasks without much of a stretch.
Standard Notes - A safe place for your notes, thoughts, and life's work
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.
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.