Some libraries have been ported (2012/04/09) to OS/2, including: libpng version 1.5.10, the PNG library; jpeglib 8d, the JPEG library; and ZLib version 1.2.6, the compression library.
LibPNG URL: http://www.libpng.org/
JPEGLib URL: http://www.ijg.org/
ZLib URL: http://www.zlib.org/
Ported by: Mikulas Patocka