Alternatives to Akismet for all platforms with any license

StopForumSpam

Your favorite and most trusted "one stop shop" for the prevention of forum & blog spam, trusted by over 200,000 forums.

Free Web
Free API Plugins Add a feature

4 Like
Mollom

Mollom is a freemium web service to get rid of spam, unwanted content and fake users on your Drupal, Wordpress and Joomla site or blog.
- Discontinued "The Mollom content moderation service is no longer available … as of 2 April 2018."
Freemium Web
Captcha Recognition Content analysis Software as a Service Add a feature

2 Like
CleanTalk

Spam protection plugins for Joomla, WordPress, phpBB3, IP.Board, vBulletin and etc. Protection without CAPTCHA.

Commercial Web
No features added Add a feature

2 Like
Sblam!

Open-source implementation of server-side spam filtering of blog comments and forum posts. It's available as a free web service. It's open source, so you can...

Free Open Source Linux Web
No features added Add a feature

2 Like
OOPSpam API

A powerful spam filter for any content exchange such as forms, forums, blogs, social media.

Free Personal $ $ $ Web Software as a Service (SaaS)
Api Integrated Spam Protection REST API Add a feature

0 Like