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Best diagram plugins for WordPress

The most popular diagram plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Scrollchart leads with 100+ active installs, ahead of PlantUML Renderer (100+) and NinjaDraw (70+). All 16 plugins tagged “diagram” 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 10 diagram plugins

  1. 1.
    Scrollchart

    The most installed diagram plugin, with 100+ active installs. Only 1 review so far, updated 3 months ago.

  2. 2.
    PlantUML Renderer

    100+ active installs. Rated 5.0 from 6 reviews, last updated 8 years ago. Tested only up to WordPress 4.9.35.

  3. 3.
    NinjaDraw

    70+ active installs. No reviews yet, updated 5 days ago.

  4. 4.
    WP-GraphViz

    40+ active installs. Only 3 reviews so far, last updated 3 years ago. Tested only up to WordPress 6.2.15.

  5. 5.
    TFO Graphviz

    40+ active installs. Only 2 reviews so far, last updated 7 years ago. Tested only up to WordPress 5.2.30.

  6. 6.
    CanaryBlue Diagrams for Mermaid

    10+ active installs. No reviews yet, updated 2 weeks ago.

  7. 7.
    Exploded View Filter

    10+ active installs. No reviews yet, updated 9 months ago. Tested only up to WordPress 6.9.11.

  8. 8.
    Post Popularity Chart Widget

    10+ active installs. Only 2 reviews so far, last updated 11 years ago. Tested only up to WordPress 4.3.34.

  9. 9.
    Eros

    Fewer than 10 active installs. No reviews yet, last updated 7 years ago. Tested only up to WordPress 5.0.31.

  10. 10.
    Ideom

    Fewer than 10 active installs. No reviews yet, updated 2 months ago.

All 16 plugins tagged “diagram”