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Omeka

534 stars·File Management·SHA-256 checksum verified

Open-source digital publishing platform for creating and managing online collections and exhibitions.

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Open-source platform to create online museum-like collections and exhibitions easily.

Core Features

  • Web-based visual editing, no coding required
  • Supports Dublin Core metadata standard
  • Rich plugin and theme ecosystem
  • Multi-user permission management
  • Responsive design for mobile devices

What It Can't Do

  • •Default theme looks outdated; consider third-party themes. 2. Official plugins update slowly; some may break with newer versions. 3. Not optimized for millions of items; best for small to mid-scale. 4. Security needs manual hardening; keep core and plugins updated. Compared to CollectionSpace, Omeka is easier to set up and more beginner-friendly, but less scalable and feature-rich for enterprise use.

Use Cases

  • Museums, archives creating digital collections and online exhibitions
  • Universities showcasing digital humanities projects
  • Individuals or small organizations publishing digital archives

Detailed Introduction

Omeka is a free, open-source content management system tailored for cultural heritage institutions like museums, libraries, and archives. It enables users to easily build digital collections, manage metadata (including Dublin Core), and create interactive online exhibitions. With a plug-in and theme ecosystem, it supports images, video, audio, PDFs, and more. Built on PHP and MySQL, it offers multi-user access control, responsive design, and a straightforward workflow for non-technical staff. Ideal for small to mid-size projects requiring rapid deployment.

Troubleshooting & FAQ (1)

Troubleshooting
How do I fix WCAG 2.2 focus indicator visibility in Omeka themes such as Seasons, Center Row, Freedom, Lively, and Thanks, Roy?

Update each theme's focus styles so the indicator is at least 2 CSS pixels thick and has sufficient contrast. Replace thin outlines or outline: none rules with, for example:

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid #000000;
  outline-offset: 2px;
}

Use a color with at least 3:1 contrast against adjacent colors, and do not remove the user-agent focus outline without providing an equivalent visible indicator. After editing the CSS, clear caches or recompile the theme stylesheet.

GitHub Issue #1065

Tags

digital collectionsonline exhibitionmuseumlibraryopen source CMSPHP

Getting Started

1

Download installer

Click the button above to download the installer for your system

Visit Project Homepage
2

Install the software

Double-click the downloaded installer and follow the prompts

3

Step 1: Download Omeka package and upload to a web server (PHP+MySQL required)

4

Step 2: Create a MySQL database and user, note the credentials

5

Step 3: Visit the installer, enter database info, and follow the wizard

Install Guide
  1. Step 1: Download Omeka package and upload to a web server (PHP+MySQL required)
  2. Step 2: Create a MySQL database and user, note the credentials
  3. Step 3: Visit the installer, enter database info, and follow the wizard
File Integrity

Checksum not available

This project has not published a SHA-256 checksum on its GitHub Release page

SHA256 Checksum

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All SHA-256 checksums on this platform are extracted from the project's official GitHub Release page, without any modification. You can independently verify them on the GitHub Releases page.

Open Source Transparency

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Environment Guide

Uninstall Info

Delete the Omeka directory and drop the MySQL database. Remember to back up your data first.

No Extra Dependencies

Ready to use after download. No additional runtime required.

Project Info
LicenseGPL-3.0
Last Updated2026-10-11 14:26:12
GitHub RepositoryOfficial Website

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