Some more beta release are planed to be released in summer. The stable release follows in the next months.
Then there will be versions for other languages and a 32 bit versions for older computers or some netbooks, too.
InvestiGateIX Beta 7
64 bit version: investigateix-14.08.11-amd64.iso (812 MB)
The complete source code of all running parts is available inside the live-system and the installed system.
After the release you will find a small archive including the Debian live configs and Investigateix sources here and on git.
Additionally the source code of the search engine is available on the Open Semantic Search project site.