Open Harvester Systems

**Open Harvester Systems**
Original author(s)	Chia-ning Chiang, Patrick Inglis, Kevin Jamieson, Henry Kang, Daniel McLaren, Faith Shields, Robert Wickert, John Willinsky, and Eunice Yung
Developer(s)	Public Knowledge Project
Initial release	June 9, 2003 (1.0)
Stable release	2.3.2 (March 16, 2012; 12 years ago) [±]
Preview release	None [±]
Written in	PHP
Operating system	Cross-platform
Available in	Multi-lingual
Type	Content management system; Data management software
License(s)	GNU General Public License v2.0
Website	pkp.sfu.ca/?q=harvester

Open Harvester Systems or OHS is free open-source metadata indexing software for "Open Archives Initiative (OAI)-compliant archives, such as sites using Open Journal Systems (OJS) or Open Conference Systems (OCS)."^[2] The software is developed and released under the Public Knowledge Project (PKP), which "is dedicated to improving the scholarly and public quality of research."^[3]

Product history

Features

The main features of Open Harvester Systems include^[2]:

Hardware/software requirements

Installation requirements for Open Harvester Systems include:

PHP 4.2.x or greater (Microsoft IIS requires PHP 5.x)
MySQL 3.23.23 or greater or PostgreSQL 7.1 or greater
Apache server 1.3.2x or greater, 2.0.4x or greater (or Microsoft IIS 6; untested)

For more information, consult the download page.

Videos, screenshots, and other media

Screenshots of Open Harvester Systems can be found on the Softpedia.
A demo of Open Harvester Systems is available via here, though it was currently offline as of January 2013.
Documentation for Open Harvester Systems can be found on the PKP site or in the FAQ.