squidGuard
squidguard is a url redirector software, which can be used for content control of websites users can access. it is written as a plug-in for squid and uses blacklists to define sites for which access is redirected.
WebCensor is profanity filter for Google Chrome and Mozilla Firefox browsers. In addition, you can use it as content filter, as it uses not only the predefined list of...
WebCensor is profanity filter for Google Chrome and Mozilla Firefox browsers. In addition, you can use it as content filter, as it uses not only the predefined list of bad, curse, cuss, offensive, swear words but also the ability to add your own custom filters which people will find very useful.
Firefox extension Google Chrome extension
firefox-extension chrome-extension spam-filter filtering web-filtering content-filter