OpenCog – Open Source Artificial Intelligence Framework
opencog.org
opencog.org
Besides which, the scientific approach mainly seems to be just throwing together a whole bunch of sorta-kinda cognitive and perceptual algorithms with a unified knowledge base, and hoping something happens.
Regarding the instructions for building and compiling OpenCog, it's a lot easier now than last summer. Try the Dockerfile, for example ... https://github.com/opencog/opencog/blob/master/Dockerfile