This post highlights production changes and plans for PKP software versions 3.5 and 3.6 that will lower the cost of publishing, increase accessibility, and support new publishing models. Note that while this post focuses on OJS, all PKP software (OJS, OMP, OPS) is built upon a shared codebase, which means some of the changes and plans also apply to OMP or OPS.

This post features the 2025 PKP AGM recap and recording from June 17th.

PKP releases OJS, OMP, and OPS 3.5 with major feature enhancements, setting the stage for the upcoming Long-Term Support (LTS) version. PKP is pleased to announce the release of OJS, OMP, and OPS 3.5.0, the latest step in our ongoing mission to make scholarly publishing more equitable, efficient, and accessible.

PKP is proud to share the Annual Report for 2024, covering the period from April 1, 2024 to March 31, 2025. Compiling the annual report never fails to serve as a meaningful moment to pause, reflect, and take stock of what we’ve achieved and where we’re headed. This past year was no exception.

PKP is getting ready to release Open Journal Systems (OJS) version 3.5! Check out this overview, slide deck, and video resource to help you get familiar with enhanced editorial workflows, user management, and system performance based on user feedback.

PKP acknowledges Marc Bria’s invaluable role as Chair of the Technical Committee and celebrates his ongoing contributions to our community. PKP acknowledges and thanks Marc Bria, Universitat Autònoma de Barcelona , for his role as Chair of the Technical Committee.

Registration is now open for the PKP 2025 AGM! Discover the latest in open scholarly publishing, connect with the community, and shape the future of open access. Please join us on Tuesday, June 17th, 2025, at 9 AM PDT. The Public Knowledge Project (PKP) continues to thrive thanks to the collaboration, innovation, and global support of the international community.

Ensure your scholarly-record is future proof — in this post learn what preservation means for various stakeholders and join us to learn about the PKP Preservation Network in a free webinar on May 20th, 8 AM PDT. Promotion of this event started during Preservation Week.

Stanford, CA: April 17, 2025: Stanford University Press (SUP) and Public Knowledge Project (SUP+PKP) announce the launch of the first journal in their open access program, Reviews of Economic Literature, which is accepting submissions now (originally published on Stanford University Press Blog). Reviews of Economic Literature (REL) is a peer reviewed journal that publishes articles on developments

TIB, a long-standing supporter and development partner of the Public Knowledge Project, hosted the first translation sprint, more than 10,000 words were translated See the original German version in TIB’s blog The free and open source software Open Journal Systems (OJS) by the Public Knowledge Project (PKP) is a very popular workflow management software in European Open Access (OA) publishing (cf. e.g. country reports

Organized in collaboration with the University of Oslo, registration is now open for the next PKP Sprint happening June 2nd and 3rd, 2025, in Oslo, Norway. The Public Knowledge Project (PKP) is dedicated to fostering consistent engagement and collaboration with its community. As such, During PKP sprints, community members have a direct impact on the development of PKP software.