MarsEdit - MarsEdit is a desktop blog editing application for the Mac. It provides an offline interface to most popular blogging systems. WordPress, Blogger, Tumblr, Movable Type, and many other systems are supported.
Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
Desk - An award-winning & beloved desktop publishing client, exclusively for OS X.
IrfanView - IrfanView ... one of the most popular viewers worldwide.
BlogDesk - Blogging should be simple, but it gets complicated and time-consuming if you are serious about it.
JPEGView - JPEGView is a small and fast viewer/editor for JPEG, BMP, PNG, GIF and TIFF images.