“I don’t like SPAM” is a WordPress plugin which prevents spam submissions in web forms.
The spam protection is really effective because it makes use of a blocklist of bad words which can be maintained manually and filters out bad submissions.
It is compatible with the following web form plugins and can be downloaded from the WordPress Plugin directory:
- Ninja Forms
- Caldera Forms
The source code ist licensed under GPLv2+ and available for free on Github.