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/9b2ee55844e864ec17da870960e33c0b4d69092a893cd7daa8a2acffe004cc46-primary.sqlite.bz2
The cjson-devel package contains libraries and header files for developing applications that use cJSON.