jCores' primary goal is to increase developer and runtime efficiency by easing some Java pains, providing short hand notations for commonly used task and parallelize operations on multiple CPUs where possible.
For a good overview, please see our main page.
Many examples with lots of explanations can be found in the examples section. If you want to contribute or extend jCores, check out the creating extensions page. Also don't forget to look at the scripting section which explains how to pack you app with a single line of code.