Windows
FastStone Photo Resizer
Offering single and multiple conversion types along with a batch image converter, resizing, and Full Screen image viewer.
Actino PDF Server
Multi-purpose PDF creation for an entire organization.
Surfer
Powerful Contouring, Gridding, and 3D Surface Mapping Software for Scientists and Engineers
Grapher
The Most Sophisticated Graphing Package Available
TextPad
Text Editor for Windows
WildEdit
If you ever need to make the same changes to many files at once, then WildEdit will save you a lot of time