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ufdbGuard vs WindowsSpyBlocker

Both stand on internet filtering software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

ufdbGuard

Free plan APILinuxSelf-hosted

ufdbGuard combines category-based URL filtering with controls for tunnels and firewall bypasses. It offers a free option and trial, while larger deployments can use priced URL database subscriptions.

Visit ufdbGuard

WindowsSpyBlocker

Free plan Windows

WindowsSpyBlocker offers network-rule and hosts-list controls for Windows, with several documented formats and distribution options. Its FAQ notes a possible Windows Update connectivity issue, and its newest listed release is from 2022.

Visit WindowsSpyBlocker

The facts

ufdbGuardWindowsSpyBlocker
Free planYesYes
Open sourceNot publishedNot published
Runs onAPI, Linux, Self-hostedWindows
Lowest paid planSee the plansFree or on request
Plans published71
MakerNot publishedNot published
Websiteurlfilterdb.comcrazymax.dev
On internet filtering software#21 of 65#25 of 65

ufdbGuard: what it does well

  • Open-source filter designed for Squid
  • Blocks sites by URL categories
  • Supports custom blocklists and safe search
  • Filtering schedules and advanced reports
  • Free plan and 60-day trial

What to know first

  • Requires Squid, Linux, or BIND environment
  • Subscriptions are billed per user
  • Paid prices exclude VAT and other taxes
  • Over-2000-user price requires a quote

WindowsSpyBlocker: what it does well

  • Free and open source under MIT.
  • Can apply, display, or remove firewall rules.
  • Provides separate hosts lists, including IPv6 files.
  • Available through GitHub releases, Chocolatey, and Scoop.

What to know first

  • Windows Update connectivity may require removing rules.
  • Newest listed release dates to May 16, 2022.
  • The application supports Windows only.

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