RevManRevMan 5 is the software used for preparing and maintaining Cochrane Reviews. RevMan facilitates preparation of protocols and full reviews, including text, characteristics of studies, comparison tables, and study data. It can perform meta-analysis of the data entered, and present the results graphically. RevMan Web is the next generation of Cochrane's software for preparing and maintaining systematic reviews. This web-based version of RevMan works across all platforms, is installation-free, and automatically updated.