Prince:Version Control
From OpenWetWare
Introduction
Version control software allows a person to track changes to a project, encourages frequent backups, and allows editing from multiple locations. It can be a little difficult to use at first, but the common workflow is also quickly mastered. If you care about your project, why not version control it?
Git
Git is the preferred version control tool of the Prince lab (bazaar and mercurial can also be recommended).