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.
The source code of the search engine is available on the Open Semantic Search project site.