* “PKP is a multi-university initiative developing (free) open source software and conducting research to improve the quality and reach of scholarly publishing”. you can learn from their history like “1998 PKP was founded by John Willinsky in the Faculty of Education at UBC, with Pacific Press Professorship endowment … 2001 Open Journals Systems released as open source software … 2005 .. the SFU Library, and the Canadian Centre for Studies in Publishing at SFU established. … 2005 …” .
There are related software called “Open Monograph Press”(to manage academic association and journal) , “Open Conference Systems”, Open Harvester Systems”(OpenData related?) .