Internet Filters (and Monitors) a work in progress help this page

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Various Internet Content Filters
Filter Cost Platform Audience Features Description
$2 - $5/month android, ios, linux, macosx, windows addict accountability, monitoring, timer Accountable2You originated as a personal replacement for other, slower, accountability software and has since blossomed into a product in its own right. The product site and product interface are quite nice.
$11/month to $15/month android, ios, macosx, windows addict, parent, general accountability, filtering, monitoring, timer CovenantEyes has a beautiful website with a lot of articles about pornography. The site seems to target porn addicts and concerned parents with roughly equal emphasis. The focus (and strength) of the software is accountability rather than filtering.
free linux, macosx, network overlord filtering, gateway, more, proxy, ratings, smarts DansGuardian is a content filtering proxy that works in conjunction with another caching proxy such as Squid or Oops. It seems to be targeted primarily toward filtering internet content for organizations such as schools. A guide to setting it up for personal use can be found here.
free for youth, $39 for adults android, ios, macosx, windows addict other Fortify is not a filter, but it is similar enough to warrant inclusion here. Instead filtering or monitoring, it aims to educate and support a porn user as he/she moves toward that goal.
K9 Web Protection
K9 Web Protection
free for personal use android, ios, macosx, windows overlord, parent, general, addict biglist, countermeasures, filtering, monitoring, timer Sold to companies for overlord-style filtering, Blue Coat allows free use of the filter for individuals looking to protect themselves or their family. It is configured using an administrative password. The k9 administrator can view all previous internet activity in addition to changing which categories to block and which features to enable.
Norton Family
Norton Family
free to $50 android, ios, macosx, windows parent, general, addict accountability, monitoring Norton Family has free and paid offerings, both of which are aimed at parents who want to know what their children are doing online.
free or pay what you want linux, macosx, windows addict changedelay, filtering, mimetypes, monitoring, opensource-contrib, timer Customizable, but blocks all images from the internet by default. Its delayed-configuration system is designed to bolster self-control on the Internet.
ProCon Latte Content Filter
ProCon Latte Content Filter
browser, firefox parent, general, addict filtering, keyword, opensource, password, profanity A Firefox extension, the ProCon Latte Content Filter blocks (usually containing pornography) based on simple keyword lists. It supports password protection, and it can be configured to only allow whitelisted sites.
free or $45/year android, ios, macosx, windows parent, overlord, general, addict filtering, location tracking, monitoring, smarts, spying, timer Qustodio appears to be a complete filtering/monitoring package. Aimed primarily at parents and schools, it boasts that its "smart internet filters scans web content in real time". There are some rumors it hampers the Internet experience of folks who have slow Internet connections.
Safe Eyes
Safe Eyes
$50 for 3 computers macosx, windows parent, addict, general ailing, filtering, monitoring, timer Safe Eyes is a full-featured content filter focused on the family. Here is a tune-tastic video that demonstrates the product.
SelfControl for Mac
SelfControl for Mac
macosx general, slacker filtering, opensource, timer SelfControl is an open source project, the purpose of which is to allow the user to block access to websites (or mail servers) for a predetermined period of time.
free to $7/month android, ios, macosx, windows addict, parent accountability, filtering, monitoring The free version of x3watch is an accountability-based monitoring software package. The user provides the email address of a buddy who will be emailed reports summarizing the browsing history of the user. The paid version offers filtering as well as monitoring.
free linux, macosx addict accountability, monitoring, opensource Net Responsibility monitors Internet usage and sends e-mail reports to accountability partners. Must be compiled from source on Mac OS X and Ubuntu 14.10 or above (see this thread). A build script can be found here.
AVG Family Safety windows parent antivirus
AccessPatrol (CurrentWare) overlord
ActivTrak free to $336 / month / 5 users macosx, windows overlord filtering, monitoring, screenshots
ActivityLogger overlord
Adblock Plus browser antiad
Adult Blocker browser
Anti-Porn Pro browser
Anti-Porn Warning browser
Aobo $50 (free trial) macosx, windows parent, addict, general filtering, monitoring
BitDefender Internet Security $70 windows antivirus browser parent, general, overlord biglist, cloud, filtering is a Firefox and Chrome extension that blocks content according to categories that are controlled by the end-user, parent, or overlord depending on the device.
Blocksi Router $60 upfront + $30/year after 2 free years network parent, general, overlord biglist, cloud, filtering, hardware, monitoring The Blocksi router is a physical device intended to be installed as the network router at home for families.
BrowseControl $80 windows overlord filtering, free trial, monitoring
BrowseControl (CurrentWare) overlord
BrowseReporter (CurrentWare) overlord
BullGuard Internet Security antivirus
Care4teen parent
CensureBlock browser
Child Control $30 windows parent filtering, monitoring, timer
Circle network
Clean Internet $3-$5/month android, windows parent, general, addict
Cold Turkey free to $19 windows addicts, slacker filtering, timer Cold Turkey is a relatively simple opensource filter designed to support self-control by allowing the end-user to configure times of the week during which to block access to certain websites.
Computer Cop parent
ComputerTime parent timer
Content Cleaner $20 pixelation
Content Protect Pro $40 android, macosx, network, windows overlord filtering
ContentBarrier macosx parent, general filtering, monitoring, spying
CustomBlocker CustomBlocker filters any element on any web site with any conditionwith XPath and RegExp.
CyberPatrol Parental Controls $40/year windows overlord, parent filtering, games, monitoring, timer
CyberSentinel parent
CyberSitter parent
Cybersitterlists $80 for Simple DNS + $39/year network overlord, parent, general biglist, filtering, gateway, monitoring Designed to be used with the Simple DNS Plus (a DNS server), it is similar in approach to OpenDns and NX Filter. The 5 CYBERsitter lists are adult, malicious, k12, k12fun, and social networking.
Cyclope-Series overlord
DNSthingy $8/month network parent, overlord, general, addict DNSthingy is for Canadians, users of Clear OS, or those willing to flash their home router.
Disconnect chrome general
Distractus browser Distractus is a simple Firefox addon that allows the user to whitelist and blacklist sites using regular expression matching.
ESET Smart Security antivirus
FB Limiter free to $15 windows
FSecure windows general, parent antivirus
Family Cyber Alert monitoring
Familyloop Safeguard $5/month for 3 devices parent filtering, monitoring
FilterPak unknown windows parent, addict accountability, biglist, filtering, monitoring
Focus $20 macosx slacker, general productivity, timer
FoxFilter free to $15/year browser parent, general, overlord filtering, keyword FoxFilter is an add-on to Firefox and Chrome designed to "protect children and teens from inappropriate content on the Web." It only works in Firefox and Chrome.
Funamo android parent filtering, games, monitoring, timer
Gaggle overlord Anti-Porn browser
Guard Your Eyes free, but fines if you view porn addict other Guard your eyes is an online program, not a true filter. Users pay fines every time they view porn.
Handy Filter free overlord, general filtering, monitoring Originally developed for Internet Cafes in Turkey.
HomeGuard $39-$49 windows overlord, parent filtering, monitoring, screenshots, spying Activity Forensics is primarily spying software that logs computer use including keystrokes, screenshots, Internet activity, and other data. It offers rudimentary filtering.
HostsBlock free to $5 windows
HostsMan free windows
IMView ios, macosx, windows monitoring, spying
IamBigBrother windows monitoring, spying
Image Block browser
Image and Flash Block browser
Integrity Buddy $5/month
Integrity Online
Kaspersky antivirus
KidRocket parent browser
KidoZ parent
Kids Place android parent, addict, general filtering, monitoring
KidsWatch parent
Knas Based Accountability free macosx, windows accountability, monitoring
LeeckBlock browser
Mac OS X Parental Controls macosx parent filtering, monitoring, ratings, smarts Mac OS X Parental Controls can operate in three modes: unrestricted, automatic, and whitelist.
McAfee Family Protection windows filtering, monitoring
McGruff SafeGuard windows parent filtering, monitoring
Microsoft Parental Controls windows parent filtering, games, timer
MinorMonitor free social
MobiCIP android, ios filtering, monitoring
MobileMinder android parent games, monitoring, timer
ModemLockDown $10 windows
MyKidisSafe android, ios parent filtering, monitoring, spying
NX Filter free to $$ network overlord, general, parent biglist, filtering, monitoring A DNS-based filter and monitor, similar to OpenDNS, but with user-authentication capability for user-specific rules.
Net Nanny $13 to $40/year android, macosx, windows parent accountability, biglist, filtering, monitoring, social, timer
NetDog Porn Filter $25 windows
NetGenie network parent
NoFap Panic Button browser motivate
OpenDNS free to $20/year android, ios, linux, macosx, network, windows general, parent filtering, monitoring Free for home use, OpenDNS is both easy-to-use and popular.
Optenet $40 windows parent, addict filtering, monitoring, smarts, timer
Override DNS $2
PC Pandora parent monitoring, spying
PC Tattletale overlord, parent
Parental Control Bar
Parental Controls and Web Filter from MetaCert free or donate browser filtering, password
Parenteeno $25/year android, windows parent keystrokes, monitoring, screenshots, social, spying Parenteeno monitors what the user (i.e., child) does on the target device and sends the data to the Parenteeno servers where reports are prepared for parental review. The product is created by 2 dads in Dublin and the product page says it is all about protecting children from "cyberbullying, sexting, predators and other menace."
PeanutButterPC $25 windows parent
Pearl Echo windows overlord, parent filtering, monitoring
Personal Blocklist chrome general, slacker
Picture Blocker browser
Play This 2 Play That android parent games, timer Requires user play a certain amount of educational games to unlock other apps.
Porn Blocker ios, macosx, safari
Privoxy free linux, macosx, network, windows hermit, general, parent proxy Privoxy is a non-caching web proxy designed to enhance privacy, control access, and remove ads.
ProblemPoker addict
Protectr android parent filtering, monitoring
Public Fox free but prompts user to install AdBeaver adware browser filtering, password Public Fox can block downloads, prevent browser changes, lock down addons, bookmarks, and more, block unwanted web sites.
PureSight windows parent filtering, monitoring, timer
Router Limits free to $20/month network parent filtering, monitoring
R|Tribe free to $6/month android, ios addict accountability, monitoring R|Tribe is an app for mobile devices that attempts to assist users in "interrupting the addiction cycle." Through in-app connections to friends (i.e., reports), and self-tracking of recovery, the user gains knowledge about their own addiction cycle and is assisted in finding ways to break it.
Safe Access windows
SafeDNS $20/year network parent, overlord filtering
SafeSquid $10/user/year or $5/CPU hour network overlord gateway Designed for organizations, the minimum system requires for SafeSquid are 2GB of ram and 2 CPU cores.
Safesurfer free with registration or pay what you want network parent filtering A DNS service for families with children. The service is pay what you want with registration.
Screen Time android parent monitoring, timer
ScreenRetriever parent
SelfControl for Linux linux general, slacker abandoned, filtering, opensource, timer The purpose of the program is to block access to certain web sites (Blacklist) for a period of time with no easy way to unblock access. It was last updated in 2010.
SelfRestraint linux, macosx, windows general, slacker filtering, timer SelfRestraint is a cross platform application which blocks access to websites for a predetermined period of time. It was inspired by SelfControl.
Silent Block browser general Silent Block is a Firefox addon that uses url regular expression to whitelist or blacklist sites.
Smobile Sentry android, ios parent monitoring
SniperSpy macosx, windows monitoring, spying
Spector 360 $100 android, macosx, windows overlord monitoring, spying Used for spying on employees.
SpyAgent windows monitoring, spying
Spysure $49 parent filtering, monitoring, screenshots, spying
SquidGuard free network parent, general, overlord abandoned, biglist, gateway A URL redirector that can be used with the Squid proxy and that supports large blacklists (altough DansGuardian claims to be significantly faster). It has seen very little modification in recent years.
StayFocused browser slacker, general filtering, timer StayFocused is a Chrome plugin that can block "time wasting" websites. It only works in Chrome.
Stop-it free or donate browser
Streaks ios A to-do app that helps the user form good habits.
SurfPass overlord
SurveilStar overlord
Trend Micro antivirus
Trustwave SecureBrowsing free browser
Trustwave Web Filtering overlord
UBhind android, ios applock, monitoring, timer With UBhind, you can once and for all curb your smartphone overuse and regain control of your productivities!
URLFilterService free windows filtering URLFilterService works with Internet Explorer and Microsoft Edge. It categorizes sites using Shalla Secure Service and Université Toulouse 1 Capitole url listings. The installation video shows that one must disable default Windows security in order to install it, and the FAQ says, "Use it at your own risk." Indeed.
Venishmartem Cloud Filter (VCF) Pro $13/month
Veriato 360 overlord
Verity $70 windows parent screenshots
WOT free browser general biglist, filtering WOT is a browser plugin that displays a trust-level icon next to sites, based on input from users from around the world. It works in Firefox, Chrome, Internet Explorer, and Opera.
WanSecure network overlord
WasteNoTime chrome slacker
Web Filter (from Lightspeed Systems) overlord filtering
Web Patrol $30 windows parent filtering, monitoring, screenshots, spying, timer
Web Safety for Squid Proxy (qlproxy) 25 Euro per year linux, macosx, windows gateway, icap, network Like DansGuardian, but also works with https. The project will target the Raspberry PI as an installation platform.
WebBlock windows filtering
WebChaver $5 - $7/month filtering, monitoring, timer
WebCleaner free linux, macosx, network, windows general, parent abandoned, opensource, proxy A proxy-based project that appears to be abandoned. It was last updated in 2010.
WebFilter Pro browser
WebSafety free android, ios parent monitoring
WebTitan $850/50 users/year overlord filtering, monitoring
WebWatcher windows monitoring, spying
Webconverger linux overlord, general opensource Lock your computer to a Web application. Converts an ordinary computer to a kiosk.
Webroot antivirus
Website Blocker (Beta) browser, chrome
Whitelist Ninja firefox Parental Control by a whitelist of sites, admin is by password. We use this for young children to keep them on the sites we have pre approved. You can add new sites with the click of a button.
Windows Family Safety free windows
ZoneAlarm windows parent antivirus
Zscaler network overlord
accountabilitypal free linux, windows addict abandoned, accountability, gateway, incomplete, monitoring, network, opensource Accountability Pal monitors Internet usage and sends e-mail reports to accountability partners. It is designed to be run on a server. It is incomplete, and was last updated in 2005.
clearOS $108/year to $588/year network overlord filtering, gateway, more, network Aimed at businesses, governments, and schools, ClearOS is designed to be installed on a router. clearOS sells switches with ClearOS installed and calls them "appliances". It is very similar to DansGuardian.
everACCOUNTABLE $7/month android, windows monitoring
goguardian overlord
iProtectYou windows filtering
iShield $25 windows parent, addict accountability, filtering, monitoring, smarts
livigent filtering, hardware, mimetypes, network, smarts, timer
netsentron $75/month network overlord, parent
opendium overlord
pfSense network overlord opensource
policeman free browser general, hermit filtering, mimetypes
the Web Blocker windows filtering, monitoring
uBlock free browser antiad, general biglist, filtering
Audience Legend
Porn addicts and compulsive porn users who want to quit porn.
A user who wants to avoid ads online.
General users who don't regularly and actively seek out porn.
A person who is concerned about their privacy when using the Internet.
Schools, libraries, governments, companies, or businesses that want to restrict Internet access of their students, patrons, citizens, employees, or clients respectively.
Parents who want to protect their childrem.
A general Internet user who finds themselves too often distracted by the Internet. Similar to but different from the addict.
A spouse of a porn addict if the addict himself does not want to stop using porn. This audience is not categorized on this page. See instead parent or overlord.
Platform Legend
The software is not actively maintained and may or may not still be functional.
The software integrates with Android.
The software integrates with Chrome and/or Chromium.
The software integrates with one or more browsers (e.g., Chrome, Firefox, Internet Explorer, Opera, Safari) as opposed to the operating system or network.
The software integrates with Firefox.
The software integrates with iOS.
The software integrates with Linux.
The software integrates with Mac OS X.
The software integrates with a network device, usually as opposed to a browser or operating system. Such software is typically installed on a router, but can sometimes be installed on the local machine if the operating system is of the right kind. All gateways and proxies work at the network level.
The software integrates with Windows.
Feature Legend
The software has not been updated for a long time and may not work on modern operating systems.
The software notifies an accountability partner, parent, or spouse regarding Internet activity or filter configuration, typically over email but sometimes using another means such as RSS.
The software is part of an antivirus product. Most antivirus products come with some type of parental controls.
The software can block user access to programs. See also games.
Filtering is accomplished through a large database of categorized resources.
The software allows the end-user to configure it without a password, but will not allow the change to take effect for some amount of time. The author knows of no filter that supports this other than Pluckeye.
The software interacts with data in the cloud. E.g., a list of websites to block are retrieved from a remote server.
The software will notice and respond to attempts to work around it. E.g., k9 can be configured to block all Internet access for a specified time if too many attempts to visit blocked pages are detected.
The software blocks some content. There are several kinds of filtering.
The software can block user access to other programs (typically this is used to limit game time).
The software is meant to be installed on a network router separate from the end-user machine. In the case of a gateway filter on this page, the OS value lists all operating systems to reflect the fact that the end-user machine may have any operating system. Such software is typically created for schools and employers.
The software comes preinstalled on a device that connects to and filters for the local network.
The software harvests data from the user for the benefit of the publisher of the software. This designation is hard to determine with certainty because what exactly is done with data sent to the software publisher known only to the publisher.
The software describes itself as incomplete.
Filtering is accomplished on the fly through keyword detection within web pages.
The location of the end-user is tracked and usually presented to another person (ostensibly the end-user's parent).
Filtering can be done on a mime type basis. E.g., Pluckeye can block all images from , but still allow text.
The software monitors Internet activity or filter settings for the purpose of allowing a parent, accountability partner, or other person to view. See also accountability.
The software has other features that do not fit one of the other feature categories.
The software has motivational messages for the end-user.
The software is open source.
The software is open source to interested contributors.
The software allows or requires configuration to be protected by a password.
The software uses computer vision algorithms to anaylze images and pixelates ones that contain too much skin.
The software can detect profane words and replace them with #$@! characters.
The software is a proxy and requires browsers be configured to use it (note that this meaning is specific to this page). See also gateway for another kind of proxy.
The software uses self-identifying website ratings such as as RTA and SafeSurf or the discontinued PICS or POWDER labeling systems.
The software takes screenshots so that some other person can review what the user was doing.
The software uses computer vision techniques to dynamically recognize skin in images. See also pixelation.
The software tries to determine whether content should be allowed or not by examining content. This is sometimes used in combination with biglist techniques and sometimes as an alternative.
The software specifically monitors interaction on social media sites such as Facebook, Google+, Instagram, LinkedIn, Pinterest, Tumblr, and Twitter, etc., with the intent of informing a parent about how their child is interacting through these sites.
The software spies on the user and generates reports for somebody else to look at. Spying is similar to monitoring and accountability but distinct because filters that do spying are more invasive, often they go so far as to log key strokes.
The software can be configured to enable or disable access to the Internet or parts of the Internet for a specified amount of time or time of day.