Qmind is a mind mapping app for your Mac which is meant to be compatible to
FreeMind. It supports Quick Look. Keep in mind that it is not yet complete and in a very rough form. In addition, many
things present in FreeMind are not implemented (yet). Thus, make sure to backup your files before
opening and editing them with Qmind.
LookDown is a simple Markdown preview App for OS X. It automatically updates the preview whenever the opened
Markdown document changes. It also supports QuickLook. It does not yet have a custom App icon...
TheobromaCacao — TBCacao for short — is a small and simple dependency injection framework for
Objective-C which I use in my Apps. Qmind uses TBCacao quite extensively. Have a look for a real