PTLens
Tom Niemann
PTLens is a Windows software, that corrects lens pincushion/ barrel distortion, chromatic aberration, and vignetting. PTLens is available as a standalone application or Photoshop plug-in. Different control panels allow to change each parameter to find the best settings. A preview helps to get through it fast and comfortable.
Notice:
The processing of the actual version is limited to 10 pictures only.