JGOOSE is an open-source Java library (released under GPL version 2) for the manipulation of IEC-61850 based GOOSE (Ed1) traffic. Its design objectives are to demonstrate a proof-of-concept implementation of a portable, simple to use/extend, and, according to its initial motivation: useful in the context of GOOSE simulation and traffic dataset generation. JGOOSE is intended to provide a framework for GOOSE traffic generation using the JNETPCAP libraries.