cJSON aims to be the dumbest possible parser that you can get your job done with. It's a single file of C, and a single header file.
acquired package info from repodata DB: repodata/1389ffdb5b166c86e334884e2384663dfc02be1592b5725c15fd6cb7c17a4d90-primary.sqlite.bz2
The cjson-devel package contains libraries and header files for developing applications that use cJSON.