simple viewer

Goldberg is a freeware image and movie viewer with image editing capabilities

iChat log searcher and viewer.

zonViewer is an image viewer and batch converter.

Standalone 3D Metafile (3DMF) viewer.

Manga-viewer and a library organizer all-in-one.

iTexMac is a teTeX front end, text editor dedicated to TeX, and a PDF viewer.

Crossbow is a lightweight image browser and viewer for Mac OS X.

Flipbook viewer.

Thumbnail and picture viewer.

Sequential is an image viewer for Mac OS X.