Gimp is a graphic program comparable to photoshop. As long as you go to their website you should be safe. They don't have malware or tricky bundled software as of this posting.
"THE LATEST VERSIONS
OF THE BEST SOFTWARE
Hand picked software titles - only the best!
Tested for malware, adware and viruses
No added bundles, installers or toolbars" - FileHippo
This is a great website for finding a safe link to a piece of software you would like to try out. This site is well maintained, and offers a great deal of information if you're looking for something specific. You need to be careful of ads though. As with any free site, they make their money mostly from ads. So be careful not to click an ad that you didn't want to click.
"Offering shareware and freeware downloads, drivers, with reviews, to improve your computers performance (for beginner to advanced users) as well a message" - Majorgeeks.com
This site has been around for a very long time. The design is old, but it is a solid site for finding freeware or shareware.