Boostnote - Boostnote is an open-source note-taking app.
Journaley - A simple and elegant open-source journal keeping software for Windows compatible with Day One
OpenNote - An open web-based alternative to Microsoft OneNote and Evernote.
My Journal - My Journal is an application that is introduced to write, save and share your daily routine and post images related to every event in no time.
Sorting Thoughts - Sorting Thoughts is an English/German personal information and knowledge management software.
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.