
1) Free software programmed in C
Found on
https://www.crosswordclues.com/clue/netpbm

Netpbm is an open source package of graphics programs and a programming library, used mainly in the Unix world. It is included in all major open source Unix-like operating system distributions and also works on other Unix-like operating systems, Windows, Unix operating systems such as Mac OS X, and other platforms. ==File formats and programs== Ne...
Found on
http://en.wikipedia.org/wiki/Netpbm
No exact match found.