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Best ninja forms signature plugins for WordPress

The most popular ninja forms signature plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Ninja Forms Signature Contract Add-On leads with 300+ active installs. All 1 plugins tagged “Ninja Forms Signature” 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 1 ninja forms signature plugins

  1. 1.
    Ninja Forms Signature Contract Add-On

    The most installed ninja forms signature plugin, with 300+ active installs. Only 3 reviews so far, updated 3 weeks ago.

All 1 plugins tagged “Ninja Forms Signature”