PeerCode is is the web-based code review system. It was originally inspired by the Guido’s Van Rossum tool named Rietveld.
The PeerCode offers developers an easy and effective way to collabarate with collegues in the code review process. It can be used by all companies regards theirs size.
Code review brings stability, helps to share the domain knowledge and programming experience among the developers. Lee Winder has the great explanation why it’s so important on his blog.