Free? Yes. Multiple platforms? Yes (Mac OS X, Windows, Linux). And now, perspective corrections (latest version is 4.05). How many times have I looked at a video and had a problem with perspective?

Many of the best photo editors have their own perspective control tools built in for correcting converging verticals and horizontals, but ViewPoint 5 goes further, with unique volumetric ...

Windows: Perspective Image Correction is a free Windows utility that will correct photos you've taken where the subject—like a building or monument—is out of alignment, or appears tilted.

You can also expect tools for correcting lens aberrations and fixing perspective issue such as converging verticals. As a first step into working with raw files, these programs are well worth ...

PC hardware is nice, but it’s not much use without innovative software. I’ve been reviewing software for PCMag since 2008, and I still get a kick out of seeing what's new in video and photo ...

Upgrading to a full Adobe subscription is expensive (starting at $5 per month), but the subscription includes more advanced tools such as masking and healing, perspective correction, raw-file ...