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Analyzed 2 days ago. based on code collected 2 days ago.

Project Summary

Open Harvester Systems is a free metadata indexing system developed by the Public Knowledge Project through its federally funded efforts to expand and improve access to research.

OHS allows you to create a searchable index of the metadata from Open Archives Initiative (OAI)-compliant archives, such as sites using Open Journal Systems (OJS) or Open Conference Systems (OCS).

Tags

indexing metadata search

In a Nutshell, Open Harvester Systems...

GNU General Public License v2.0 or later
Permitted

Commercial Use

Modify

Distribute

Place Warranty

Forbidden

Sub-License

Hold Liable

Required

Distribute Original

Disclose Source

Include Copyright

State Changes

Include License

These details are provided for information only. No information here is legal advice and should not be used as such.

This Project has No vulnerabilities Reported Against it

Did You Know...

  • ...
    there are over 3,000 projects on the Open Hub with security vulnerabilities reported against them
  • ...
    data presented on the Open Hub is available through our API
  • ...
    55% of companies leverage OSS for production infrastructure
  • ...
    you can embed statistics from Open Hub on your site

Languages

XML
37%
HTML
24%
PHP
35%
3 Other
4%

30 Day Summary

Jul 9 2026 — Aug 8 2026

12 Month Summary

Aug 8 2025 — Aug 8 2026