This incredibly popular software is free once again for a limited time, so grab it quick.
Perfect Effects 8 Premium Edition is a powerful photo manipulation tool designed for professional photographers that allows you to easily transform and touch up photos by adding dozens of filters and effects with one click. Use it as a standalone program, or as a plugin for Adobe Photoshop, Photoshop Elements, Lightroom, and Apple Aperture.
This is a fully licensed version. It's yours to keep forever. Requires 8GB of RAM and a 64 bit operating system, Windows 7 or higher, or Mac OS X 10.7 or higher. If you have the Perfect Photo Suite 8 trial or beta version installed, uninstall it first.