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Best annotate plugins for WordPress

The most popular annotate plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Side Matter leads with 100+ active installs, ahead of ScreenGlow Image Editor (50+) and Annotation Plugin (10+). All 7 plugins tagged “annotate” are below, with figures from WordPress.org that update every day.

Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.

Research this niche or see all plugins.

Top 5 annotate plugins

  1. 1.
    Side Matter

    The most installed annotate plugin, with 100+ active installs. Rated 4.6 from 13 reviews, last updated 12 years ago. Tested only up to WordPress 3.7.41.

  2. 2.
    ScreenGlow Image Editor

    50+ active installs. Only 1 review so far, updated 2 weeks ago.

  3. 3.
    Annotation Plugin

    10+ active installs. No reviews yet, last updated 17 years ago. Tested only up to WordPress 2.7.1.

  4. 4.
    Diigo Bookmarks Widget

    10+ active installs. No reviews yet, last updated 13 years ago. Tested only up to WordPress 3.5.2.

  5. 5.
    Stillframe

    Fewer than 10 active installs. No reviews yet, updated 4 weeks ago.

All 7 plugins tagged “annotate”