Latest News

Release Update: OJS, OMP, and OPS 3.2.1-2

Downloads are now available for OJS/OMP/OPS 3.2.1-2. This is a bugfix release that corrects a number of issues and adds translation updates and security improvements.  Read More →

Our Software

Open Journal Systems

OJS is the world's most widely used journal management and publishing system.

Open Monograph Press

OMP establishes an online workspace for editing and publishing books.

Open Conference Systems

OCS offers a complete Web presence for scholarly conferences.

Open Harvester Systems

OHS is an indexing system for OJS, OCS and other online resources.