K9 Web Protection has been discontinued. One of the most popular alternatives is NextDNS, which is open source with a free version. Other popular alternatives are Pi-hole, LeechBlock, Cold Turkey and Cisco Umbrella. Parental Control Tools like K9 Web Protection are a crowded field, with more than 25 alternatives for Windows, Android, iPhone, Mac and iPad.
Temptation Blocker is a program that lets you lock yourself out of specific applications for a specified period of time. A window displays how much time remains. In order to unblock a program you must enter a 32 character string as a disincentive.
