org.bridgedb:org.bridgedb.tools.batchmapper (maven):  BridgeDb is a framework for finding and mapping equivalent database identifiers. It has many facets: it is both a framework, live services, and are identifier mapping files for genes, proteins, and metabolites. 
Keywords: bioinformatics|bridgedb|database|hacktoberfest|identifier-mapping|java|mysql-backend|uri