Open source tools, utilities, and products have been available for many years. While these alternatives tend to offer low acquisition costs, companies have been hesitant to adopt them for several reasons. These reasons include spotty technical support, poor or inconsistent documentation, unreliable release schedules, and lack of a driving commercial focus to address issues and provide sustained development directions. This reports provides an overview of popular open source backup and recovery software and business drivers for open source adoption. It also compares Amanda Enterprise with proprietary commercial backup software.