Public repositories on github for work related to the CITE architecture include the following.
cite, a JVM library for working with URNs and TextInventories:
    hocuspocus for working with a text repository:
    prestochango for working with a repository of structured collections:
    nysi for working with an image repository
    abracadabra for working with CITE graphs
    sparqlcts: implementation of the CTS protocol using a SPARQL end point
    citemgr: utilities for working with CITE repositories, including generating RDF representations of repositories
    citeservlet: a servlet providing all four of the CITE services
    ctsvalidator, a harness for running a suite of tests against a CTS installation
    
  citedownmgr, a gradle build system for working with a repository of texts in citedown notation (markdown extended with URN references)