PTLens is described as 'Software that correct lens pincushion or barrel distortion, chromatic aberration, vignetting, and perspective in normal and fisheye lenses' and is an app. There are more than 10 alternatives to PTLens for a variety of platforms, including Windows, Mac, Linux, BSD and KDE Plasma apps. The best PTLens alternative is GIMP, which is both free and Open Source. Other great apps like PTLens are showFoto, DxO ViewPoint, Ultimate Paint and ShiftN.
Free open-source suite offering advanced photo retouching, image composition, original artwork creation, batch processing, plugin support, custom scripting, mass image format conversion, and integration with free publishing tools for comprehensive editing solutions.
United States
You can use it to view your photographs and improve them. Showfoto is the standalone image editor of the digiKam project.
Germany
EU
Professional perspective correction tool fixing lens distortion, horizons, and leaning buildings. Auto lens profiles, content-aware resizing, portrait reshaping, batch processing.
FranceEU
Ultimate Paint is a full-featured 32-bit Windows graphics program for image creation, viewing and manipulation.
ShiftN is an intelligent tool capable of analyzing photos and fixing the line distortion (line convergence) effect automatically or with minimal user’s input. Batch processing. The software analyzes the source image, detects vertical lines and performs the correction, making...
GermanyEU
Photopainter is both a natural-media painting software and an image processing system at the same time.
United Kingdom
Wizardbrush is a natural media painting software which has a lot of brushes and paper with realism style. You can create realistic picture with it. You can not only use it to paint pictures, but also handle your digital photos, even use it to teach digital painting and image...
United Kingdom
GimpLensfun is a Gimp plugin to correct lens distortion using the lensfun library and database.
WidsMob Retoucher is an excellent photo retouching program, which is able to reduce image noise, portrait retoucher, film pack, adjust effects, fish eye effects, vignetting and more other features to photos with ease.
Home Photo Studio is powerful and easy-to-use photo editing software offering a complete set of image manipulation tools. Thanks to a convenient interface and a detailed help system, the software is simple to learn but provides enough options to keep any photo enthusiast...
United States
NeoPaint is a full featured artist's studio for Windows that's easy-to-learn, powerful and affordable! It's simple enough for beginners yet packed with powerful features and advanced tools. NeoPaint makes it easy for business and home users to touch up photographs...
United States
Saint Paint is the ideal paint package for creating and editing True Colour, 256 colour, 16 colour, and Monochrome graphics, and animating in any mode or combination of modes, with AVI editing support. It features all the essential graphic tools you'll need in everyday use...
