Evernote
Freemium
Evernote is a note taking application which keeps the notes taken in sync across all platforms using its cloud infrastructure.
Joplin
Open Source
Joplin is an open-source free note taking and to-do application.
wikidPad
Open Source
wikidPad different from other notepad applications is the ease with which you can cross-link your information.
Rainlendar
Freemium
Rainlendar is a calendar program for Windows, Mac OS X and Linux.
ResophNotes
Free
ResophNotes is a fast note writing tool and a Simplenote client on Windows.
Leanote
Open Source
Leanote is a self-hosted note taking app.
Notezilla
Commercial
Notezilla is a sticky notes app for Windows.
Lightning
Open Source
Lightning App Builder is a point-and-click tool that makes it easy to create custom pages for Salesforce1 and Lightning Experience.
CherryTree
Open Source
CherryTree is an hierarchical note taking application, featuring rich text and syntax highlighting, storing data in a single xml or sqlite file.
NixNote
Open Source
NixNote is an open source client for Evernote.
WizNote
Freemium
WizNote is a cross-platform cloud based note-taking client.
The Guide
Open Source
Guide is an application that allows you create documents ("guides") which inherently have a tree (which you can modify as you please) and text associated wit…
