While most people know about the Akismet plugin for WordPress, others have been implementing Akismet for other systems and platforms; here are the ones we know about:
WordPress Plugins
Official WordPress Plugin (Comments)Jetpack (Contact Form)Contact Form 7 with Flamingo (Contact Form)Gravity Forms (Contact Form)
Other Content Management Systems (CMS)
Drupal AntiSpam Module (Drupal)R Antispam (Joomla)Antispam (Perch)AkismetKlik (Mediawiki)MediaWiki-Akismet (Mediawiki)Advanced Spam Cleaner (Moodle)Exkismet (Elixir)
Forums
discourse-akismet (Discourse)Spam-o-mattic (vBulletin)Akismet Spam Protection (SMF)Akismet Anti-Spam Extension (phpBB)
Other Implementations
PiwigoAkismet Plugin for PHPList3
Other Libraries
Dart: Dart Connector for AkismetJavaScript: Node.js bindings to the Akismet APIJavaScript: Akismet for JS (Node.js): Prevent comment spam using JavaScriptKotlin/Java: Akismet for Kotlin/Java by Erik C. ThauvinPHP: Laraval 4 frameworkPHP: Tiki Wiki CMS GroupwarePHP: PHP 4 class by Bret KuhnsPHP: Fuspam PHP functionPython: python-akismetPython: Voidspace Python modulePython: pykismet3: Python 3 Akismet client (used by Django forms)Ruby: RubyGem: RakismetRuby: RubyGem: Akismet (unofficial)Go: go-akismet.NET: Akismet: unofficial 「dot-net」 Akismet API library.Perl: Net::Akismet: Perl interface to Akismet – comment and trackback spam fighter.
If you』ve created your own Akismet integration using our API and want to be included on this list, please contact us here.