Yep, its true. We have software too!
This stuff was written by me. Its got no warranty. It might crash, it might spit out wrong numbers. It might cause your computer to blow up... well probably not the last one. Its freeware unless the page says otherwise - that means you can download and use it for free.
NERO Build Calculator - This is useful for players to figure out how much build/experience they will get for an event, or a series of events. It features some other goodies as well.
NERO Production Calculator - Similar to buildCalc, this one instead serves as a calculator for production skills. Its useful if you want to make a list of stuff to produce, but don't feel like doing the math.