libtiff is described as 'Libtiff is a library for reading and writing Tagged Image File Format (abbreviated TIFF) files. The set also contains command line tools for processing TIFFs' and is an app in the Development category. There are four alternatives to libtiff for Linux, Mac and Windows. The best alternative is libpng, which is both free and Open Source. Other great apps like libtiff are libjpeg-turbo (Free, Open Source), GIFLIB (Free, Open Source) and libjpeg (Free, Open Source).