<p>Open Conference Systems (OCS) is a free Web publishing tool that can create a complete Web presence for scholarly conferences. It is a highly flexible management and publishing system that can be downloaded for free and installed on a local Web server. It has been designed to reduce the time and energy devoted to the clerical and managerial tasks associated with managing a conference, while improving the record-keeping and efficiency of editorial processes. It seeks to improve the scholarly and public quality of conference publishing through a number of innovation, from making policies more transparent to improving indexing. </p><p>Features:</p><p>- create a conference Web site</p><p>- Manage conferences that occur more than once (e.g., yearly)</p><p>- compose and send a call for papers</p><p>- electronically accept paper and abstract submissions</p><p>- allow paper submitters to edit their work</p><p>- Conduct peer reviews</p><p>- post conference proceedings and papers in a searchable format</p><p>- Schedule a Conference</p><p>- post the original data sets</p><p>- register participants, including accepting payments</p><p>- integrate post-conference online discussions</p><p>- utilize an e-mail template system</p><p>- support multiple languages with localization files</p><p>- Take advantage of more customizable, scalable and secure code</p><p>System Requirements:</p><p>A server environment meeting the following requirements is recommended:</p><p>- PHP &gt;= 4.2.x (including PHP 5.x); Microsoft IIS requires PHP 5.x</p><p>- MySQL &gt;= 3.23.23 (including MySQL 4.x) or PostgreSQL &gt;= 7.1 (including</p><p>- PostgreSQL 8.x)</p><p>- Apache &gt;= 1.3.2x or &gt;= 2.0.4x or Microsoft IIS 6</p><p>Operating system: Any OS that supports the above software, including</p><p>Linux, BSD, Solaris, Mac OS X, Windows</p>