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/18c2be42fe2b5b288fc0e4628777cec64a6dd8c9b9c960757aa68407d41ebc3f-primary.sqlite.bz2
The cjson-devel package contains libraries and header files for developing applications that use cJSON.