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Best ajax calendar plugins for WordPress

The most popular ajax calendar plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. WP FullCalendar leads with 8K+ active installs, ahead of Ajax Archive Calendar (1K+) and Resource Booking and Availability Calendar (10+). All 3 plugins tagged “Ajax Calendar” 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 3 ajax calendar plugins

  1. 1.
    WP FullCalendar

    The most installed ajax calendar plugin, with 8K+ active installs. Rated 4.7 from 96 reviews, updated 1 month ago.

  2. 2.
    Ajax Archive Calendar

    1K+ active installs. Only 4 reviews so far, last updated 1 year ago. Tested only up to WordPress 6.8.12.

  3. 3.
    Resource Booking and Availability Calendar

    10+ active installs. Only 1 review so far, last updated 16 years ago. Tested only up to WordPress 2.9.2.

All 3 plugins tagged “Ajax Calendar”