What applications can I use to block or filter internet sites?
There are many applications available that can block or filter your access to certain websites.
Listed below are some of the applications available.
SelfControl is free and open-source application for Mac that allows you to block your own access to distracting websites or mail servers, and is available for download through Self-Service .
K9 Web Protection is a free internet filter and parental control software for your computer. K9 puts you in control of the Internet so you can protect your kids.
Net Nanny is an internet filter which monitors social media, masks profanity, controls web based time allocation and blocks explicit images and videos.