An open source data version repository model based on true INSERT only logic. Contains high performance support for data versioning and history. Enables point-in-time query and CDC sourcing including mapping each change to a transaction.
BPMspace is open for extensions and free to use. BPMspace connects business processes with each other, similar to a relational database. Learn how to build/model a CMS and CMDB: http://www.mitsm.de/schulungen/spezial-schulungen/itil-cmdb-modellierung-und-konzeption