FLIF is a novel lossless image format which outperforms PNG, lossless WebP, lossless BPG, lossless JPEG2000, and lossless JPEG XR in terms of compression ratio.


libpng is described as 'The official Portable Network Graphics (PNG) reference library (originally called pnglib). It platform-independent library that contains C functions for handling PNG images. It supports almost all of PNG's features, is extensible, and has been widely used and' and is an app in the development category. There are six alternatives to libpng for Linux, Mac and Windows. The best libpng alternative is FLIF, which is both free and Open Source. Other great apps like libpng are libjpeg-turbo, libspng, GIFLIB and libjpeg.
FLIF is a novel lossless image format which outperforms PNG, lossless WebP, lossless BPG, lossless JPEG2000, and lossless JPEG XR in terms of compression ratio.


libjpeg-turbo is a derivative of libjpeg that uses SIMD instructions (MMX, SSE2, NEON) to accelerate baseline JPEG compression and decompression on x86, x86-64, and ARM systems. On such systems, libjpeg-turbo is generally 2-4x as fast as the unmodified version of libjpeg, all...
libspng is a C library for reading and writing Portable Network Graphics (PNG) format files with a focus on security and ease of use.
libjpeg is a widely-used free software library written in C which implements JPEG decoding and encoding functions alongside various utilities for handling JPEG images.
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.