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Similar WordPress plugins

Spam Defender alternatives

The 12 WordPress plugins most like Spam Defender, by the tags they share, the most in common first. Installs, ratings and updates come from WordPress.org and refresh every night.

Spam Defender

90+ installs · #16,806 most popular

Its stats
Closest match
Simple CAPTCHA with Cloudflare Turnstile
Shares 2 of Spam Defender's 5 tags.
Most installed
Akismet Anti-spam
5M+ active installs.
Best rated
PDF Invoices & Packing Slips for WooCommerce
5.0 out of 5 from 1,866 reviews.
Most recently updated
WooCommerce PayPal Payments
Updated on Nov 9, 2026.
  1. Simple CAPTCHA with Cloudflare Turnstile

    by Elliot Sowersby / RelyWP

    Add Cloudflare Turnstile to WordPress, WooCommerce, Contact Forms & more. The user-friendly, privacy-preserving reCAPTCHA alternative. 100% free!

    Installs
    200K+
    Rank
    #233
    Rating
    4.7(263)
    Updated
    10 days ago

    Sharescaptchaspam

    Compare with Spam Defender
  2. Gravity Forms Zero Spam

    by GravityKit

    Block form spam in Gravity Forms with an invisible token check, email rejection rules, and optional AI review. No CAPTCHAs for your visitors.

    Installs
    100K+
    Rank
    #453
    Rating
    4.3(24)
    Updated
    2 months ago

    Sharescaptchaspam

    Compare with Spam Defender
  3. Akismet Anti-spam

    by Automattic

    The best anti-spam protection to block spam comments and spam in a contact form. The most trusted antispam solution for WordPress and WooCommerce.

    Installs
    5M+
    Rank
    #8
    Rating
    4.7(1.2K)
    Updated
    2 months ago

    Sharesspam

    Compare with Spam Defender
  4. Google for WooCommerce

    by WooCommerce

    Native integration with Google that allows merchants to easily display their products across Google’s network.

    Installs
    800K+
    Rank
    #74
    Rating
    2.7(269)
    Updated
    22 days ago

    Shareswoocommerce

    Compare with Spam Defender
  5. WooCommerce Stripe Payment Gateway

    by WooCommerce

    Accept debit and credit cards in 135+ currencies, many local methods like Alipay, ACH, and SEPA, and express checkout with Apple Pay and Google Pay.

    Installs
    700K+
    Rank
    #85
    Rating
    3.1(238)
    Updated
    26 days ago

    Shareswoocommerce

    Compare with Spam Defender
  6. WooCommerce PayPal Payments

    by WooCommerce

    PayPal's latest payment processing solution. Accept PayPal, Pay Later, credit/debit cards, alternative digital wallets and bank accounts.

    Installs
    700K+
    Rank
    #82
    Rating
    2.9(588)
    Updated
    2 days ago

    Shareswoocommerce

    Compare with Spam Defender
  7. WooCommerce Tax (formerly WooCommerce Shipping & Tax)

    by WooCommerce

    We’re here to help with tax rates: collect accurate sales tax, automatically.

    Installs
    500K+
    Rank
    #115
    Rating
    2.1(106)
    Updated
    8 days ago

    Shareswoocommerce

    Compare with Spam Defender
  8. WooCommerce Legacy REST API

    by Automattic

    The WooCommerce Legacy REST API, which is now part of WooCommerce itself but will be removed in WooCommerce 9.0.

    Installs
    400K+
    Rank
    #154
    Rating
    1.5(29)
    Updated
    27 days ago

    Shareswoocommerce

    Compare with Spam Defender
  9. Really Simple CAPTCHA

    by Rock Lobster Inc.

    Really Simple CAPTCHA is a CAPTCHA module intended to be called from other plugins. It is originally created for my Contact Form 7 plugin.

    Installs
    300K+
    Rank
    #188
    Rating
    4.2(131)
    Updated
    2 months ago

    Sharescaptcha

    Compare with Spam Defender
  10. Cart Abandonment Recovery for WooCommerce

    by Brainstorm Force

    Every store loses sales to cart abandonment. But with Cart Abandonment Recovery for WooCommerce, you can win them back—automatically.

    Installs
    300K+
    Rank
    #179
    Rating
    4.8(627)
    Updated
    16 days ago

    Shareswoocommerce

    Compare with Spam Defender
  11. PDF Invoices & Packing Slips for WooCommerce

    by WP Overnight

    Create, print & automatically email PDF or XML Invoices & PDF Packing Slips for WooCommerce orders.

    Installs
    300K+
    Rank
    #165
    Rating
    5.0(1.9K)
    Updated
    20 days ago

    Shareswoocommerce

    Compare with Spam Defender
  12. CartFlows

    by Brainstorm Force

    1 WordPress funnel builder & WooCommerce checkout plugin. Boost AOV with one-click upsells, order bumps & high-converting checkout pages.

    Installs
    200K+
    Rank
    #248
    Rating
    4.8(519)
    Updated
    6 days ago

    Shareswoocommerce

    Compare with Spam Defender

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