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/3ca3f05b705ac87dba48cdb0fbc8de8608778488df6909ce1c87b6d6b650a769-primary.sqlite.bz2
The cjson-devel package contains libraries and header files for developing applications that use cJSON.