SiteBrains blocks spam posts using a completely configurable set of rules. Both interactively as the user types and on our servers upon submission.
WP-QDA Marked Text is a plugin for WordPress designed for rudimentary Qualitative Data Analysis (QDA).
The Official WordPress Fireplug-in. Allow your readers to get credit for visiting your website and reading your content.
The Machine Learning Antispam Plugin uses Machine Learning to detect spam and adult content comments and mark them as spam.