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Glycerine Plugin for WordPress icon
Actively maintained Tested up to 6.8.11 #14 in annotation

Glycerine Plugin for WordPress

A plugin to embed IIIF-compatible image, text annotation tables and viewers using Glycerine IIIF framework.

Active installs<10New
Downloads · 30d86▲ 3.6× vs prev. 30d
Rating—0 reviews
Health score52/100Fair
All-time downloads561Since Sep 2025
Support resolved—No recent threads
RequiresWP 5.2PHP any
Downloads · 7d12• 0% week over week
Our verdict

Use with caution

Glycerine Plugin for WordPress works, but test it on a staging site before relying on it in 2026. Was last updated 4 weeks ago, and scores 52/100 on our health check.

  • Actively developed — last update 4 weeks ago
  • Small user base (<10 active installs)
  • Very few reviews so far
  • Only tested up to WordPress 6.8 (latest is 7.1)

How does it stack up?

Side-by-side on installs, updates, ratings & support

Daily downloads

4914Jul 17Aug 30Oct 14
Yesterday1
Daily average (1y)1
Peak day22Oct 25, 2025
Last 12 months475

Download spikes usually follow a new release — each site that auto-updates counts as a download.

Rankings

Where Glycerine Plugin for WordPr… stands today

WordPress.org search rankings

Live position in the plugin search, top 100
KeywordPositionCompeting pluginsCategory
annotation #82 582 Best annotation plugins →
glycerine #1 1 Best glycerine plugins →
iiif #3 3 Best iiif plugins →

About Glycerine Plugin for WordPress

From the official readme · v1.0.4

Description

Glycerine Plugin for WordPress brings IIIF image collections, and the annotations on them, into WordPress pages and posts.

The plugin is the WordPress presentation layer for the Glycerine IIIF platform, built by Systemik Solutions. Collections are hosted, described and annotated in Glycerine Workbench, which covers IIIF image hosting, manifest generation, collaborative annotation and publishing. The plugin displays what you publish there, through four blocks: image sets and collections open in an embedded Glycerine Viewer, and annotation tables and annotation cutouts are rendered as HTML within your page.

Configuration

  • Go to Settings > Glycerine.
  • Enter your Glycerine Server API key.
  • Choose your Glycerine Server (Australia or International).

Blocks

This plugin provides the following blocks:

  1. Glycerine Table

    • Embed a paginated table of annotations from Glycerine Workbench with search filters.
  2. Glycerine Image Set

    • Embed a Glycerine Image Set using the Glycerine Viewer.
  3. Glycerine Annotation Cutouts

    • Embed an image annotation cutout from Glycerine Workbench.
  4. Glycerine Collection

    • Embed a Glycerine Collection using the Glycerine Viewer.

License

This plugin is free software, licensed under the GPLv2.

Glycerine Plugin for WordPress is one module of the Glycerine IIIF platform, and the other modules are licensed separately. Glycerine Viewer is open source under the MIT licence. Glycerine Workbench, Glycerine Server and Glycerine Editor are proprietary: they are not open source, and their source is not publicly released. The licence for each module is published at https://glycerine.io/modules/.

External Services

This plugin requires access to external services to function. Specifically, it connects to the Glycerine Server API to retrieve and display image sets, annotations, and related publication data.

What services are used and why

  • ARDC Nectar Server (Australia) – https://iaw-server.ardc-hdcl-sia-iaw.cloud.edu.au/api
  • Glycerine.io (International) – https://app.glycerine.io/api

These services provide the underlying IIIF (International Image Interoperability Framework) data and annotation sets needed for the plugin to render images, text annotations, and collections inside WordPress.

What data is sent and when

  • When the plugin is configured, it will send the API key (entered by the administrator) along with requests for images, image sets, annotations, and publication metadata.
  • These requests occur when a user loads a page or block containing a Glycerine viewer or annotation table.
  • No personally identifiable information about site visitors is transmitted.

Terms of Service and Privacy Policies

Notes

  • If you are based in Australia, you may prefer to use the ARDC Nectar Server server.
  • If you are outside Australia, the Glycerine.io international server is recommended.

Installation

  1. Upload the glycerine plugin directory to your /wp-content/plugins/ directory.
  2. Activate the plugin through the “Plugins” menu in WordPress.
  3. Go to Settings > Glycerine to configure your API key and Glycerine Server URL.

Changelog

1.0.0

  • Initial release

Full changelog on WordPress.org →

For developers

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Best Glycerine Plugin for WordPress alternatives

All annotation plugins →
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FAQ

Glycerine Plugin for WordPress: quick answers

Straight answers, pulled from live WordPress.org data.

Live data from WordPress.org · checked Oct 15, 2026

Is Glycerine Plugin for WordPress free?

Yes. Glycerine Plugin for WordPress is free to download and use from the official WordPress.org plugin directory.

Is Glycerine Plugin for WordPress safe to use in 2026?

Glycerine Plugin for WordPress works, but test it on a staging site before relying on it in 2026. Was last updated 4 weeks ago, and scores 52/100 on our health check.

How many websites use Glycerine Plugin for WordPress?

Glycerine Plugin for WordPress is active on <10 WordPress websites and has been downloaded 561 times since it launched in September 2025. It was downloaded 86 times in the last 30 days.

Does Glycerine Plugin for WordPress work with WordPress 7.1?

Glycerine Plugin for WordPress is officially tested up to WordPress 6.8.11, while the latest release is 7.1.3. It may still work, but try it on a staging site first.

When was Glycerine Plugin for WordPress last updated?

The latest version, 1.0.4, was released on September 15, 2026 (4 weeks ago).

Who makes Glycerine Plugin for WordPress?

Glycerine Plugin for WordPress is developed and maintained by systemik.

What are the best alternatives to Glycerine Plugin for WordPress?

The most popular alternatives to Glycerine Plugin for WordPress are Hypothesis (200+ installs), Side Matter (100+ installs) and Noted Visual Feedback (100+ installs).

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