Elgg, DMS, and the CyberSKA image viewer are licensed under the GPL v2.0 (http://www.cyberska.org/LICENSE.txt). The CyberSKA image viewer is built upon the PureWeb SDK, available under license from Calgary Scientific.

The Elgg core was upgraded from 1.7.15 to 1.8.19, which represented a major upgrade for Elgg and included major changes to the internal Elgg API, requiring plugins created or modified for the CyberSKA platform to be updated or in some cases...