A Dempster-Shafer (D-S) engine based on eVidenZ, an efficient D-S engine developed in C++ by the LRDE (Epita Research and Development laboratory).
evidence4j is a java library (as its name suggests).
For more information on eVidenZ, the original C++ engine, refer to https://www.lrde.epita.fr/wiki/TheoEvidenz