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Best unavailable plugins for WordPress

The most popular unavailable plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Slim Maintenance Mode leads with 10K+ active installs, ahead of Maintenance Notice (700+) and Under Construction page display for certain page is in under maintenance. (10+). All 5 plugins tagged “unavailable” 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 unavailable plugins

  1. 1.
    Slim Maintenance Mode

    The most installed unavailable plugin, with 10K+ active installs. Rated 5.0 from 64 reviews, updated 3 months ago.

  2. 2.
    Maintenance Notice

    700+ active installs. No reviews yet, last updated 1 year ago. Tested only up to WordPress 6.7.11.

  3. 3.
    Under Construction page display for certain page is in under maintenance.

    10+ active installs. Only 3 reviews so far, last updated 2 years ago. Tested only up to WordPress 6.4.14.

  4. 4.
    Maintenance Mode with Site Build Status

    10+ active installs. No reviews yet, last updated 5 years ago. Tested only up to WordPress 5.7.21.

  5. 5.
    HZ Maintenance Mode

    Fewer than 10 active installs. No reviews yet, last updated 1 year ago. Tested only up to WordPress 6.8.12.

All 5 plugins tagged “unavailable”