Nikea's repositories
xray-vision
Visualization widgets and plotting helpers targeted at X-Ray Sciences
historydict
A persistent dictionary with history backed by sqlite
VisTrails
VisTrails is an open-source data analysis and visualization tool. It provides a comprehensive provenance infrastructure that maintains detailed history information about the steps followed and data derived in the course of an exploratory task: VisTrails maintains provenance of data products, of the computational processes that derive these products and their executions.