Untangle is described as 'platform for deploying network based applications. The platform unites these applications around a common GUI, database and reporting' and is an app in the Security & Privacy category. There are more than 10 alternatives to Untangle for a variety of platforms, including Linux, Windows, Self-Hosted solutions, Mac and BSD. The best alternative is DD-WRT, which is both free and Open Source. Other great apps like Untangle are OpenWrt (Free, Open Source), pfSense (Free, Open Source), OPNsense (Free, Open Source) and NethServer (Free, Open Source).
Lightspeed uses a filtering system, automatically categorizing new webpages, with ones it has not yet categorized blacklisted in case of new proxies being created. Lightspeed's filter database is fully disclosed to the public.
ufdbGuard is a URL filter to block unwanted web content on the internet. ufdbGuard can also enforce Google SafeSearch, detect UltraSurf, Tor, Skype and other chat applications, proxy tunnels and enforce safer HTTPS traffic. ufdbGuard supports the YouTube edufilter.
Windows Server Essentials (formerly Windows Small Business Server) is a flexible, affordable, and easy-to-use server solution designed and priced for small businesses with up to 25 users and 50 devices.