BeeCanvas is an online whiteboard based visual collaboration tool.

Day One is a simple journal application for the Mac, iPhone, and iPad.

Dictanote is a fast accurate dictation service.

footnote is a very light and neat Notebook App for elementary OS.

Joplin is an open-source free note taking and to-do application.

Leanote is a self-hosted note taking app.

CherryTree is an hierarchical note taking application, featuring rich text and syntax highlighting, storing data in a single xml or sqlite file.

Diaro is designed to record activities, experiences, thoughts and ideas throughout a day and sync data across all your devices.

Evernote is a note taking application which keeps the notes taken in sync across all platforms using its cloud infrastructure.

Google Keep is a cloud based note taking application.

Journey is a journal app companion that keeps your private memories for a lifetime.

Lifeograph is an off-line and private journal and note taking application for Linux desktops and Android.