KeepNote Alternatives for Mac OS X

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

Microsoft OneNote is a digital note taking and sharing app from Microsoft.

Zim is a graphical text editor used to maintain a collection of wiki pages.

Tomboy is a desktop note-taking application for Linux, Unix, Windows, and Mac OS X.

wikidPad different from other notepad applications is the ease with which you can cross-link your information.

NixNote is an open source client for Evernote.

RedNotebook is an open source diary and journal software for Linux, Windows and Mac.

Notational Velocity is a software for Mac OS X used for notetaking. It allows users to create notes using solely a computer keyboard and search them using incremental find.

WizNote is a cross-platform cloud based note-taking client.

Piggydb is an open source Web notebook application that provides you with a platform to build your knowledge personally or collaboratively.

nvALT 2 is a fork of the original Notational Velocity with some additional features and interface modifications, including MultiMarkdown functionality.

OmniOutliner is a commercial outlining software for Mac OS X.

Zoho Notebook takes the same catch-all approach as Evernote and OneNote, but has a few design ideas of its own.

Quiver 3D Augmented Reality coloring apps: print, color and see your drawing in beautifully hand-animated 3D worlds.

MyTetra is a smart cross-platform manager for information collecting.

NoteCase Pro is to quickly capture, organize, protect, access, and recycle your information.

Goalton.com is a platform for goal and task management.