These Source Code software tools can help you manipulate, compress, and convert graphics images.
FBM v1.2 is a library of publicly available image manipulation tools, able to be compiled on any platform.
GBM is a freeware image-processing program. This source code can be compiled on any platform; see the OS/2 directory for an OS/2 version.
giftrans version 1.12.1 is a freeware tool providing simple conversion between GIF87a and GIF89a specification files. This is source code which can be compiled on any platform.
ISO MPEG Codec (MPEG-2 Encoder/Decoder) is publicly available conversion software able to be compiled on any platform.
JBIG-KIT v0.9 is source code for JBIG compression routines, available under GNU General Public License, able to be compiled on any platform.
jpegsrc v6a is the Independent JPEG Group freeware source distribution that is able to be compiled on any platform.
libpng v0.8 is freeware source code for reading and writing PNG files, able to be compiled on any platform. libpng implements PNG standard bitmap file format; it's PNG from one of the people associated with the PNG specification.
libtiff v3.4 is publicly available software, able to be compiled on any platform, to read and write TIFF files.
PICLAB v1.93 is a freeware bitmap image processing application for MS-DOS. The source is provided here, able to be compiled for any platform.
This is the pbmplus toolkit from December 10, 1991.
pnmtopng is an extension of the pbmplus Toolkit for reading and writing PNG files. pnmtopng needs libpng and zlib, both provided on the CD-ROM.
PTOT converts PNG images into TIFF format.
Zlib v0.99 is a general purpose compression library.
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