Let's Encrypt

Free, automated, and open certificate authority provided by ISRG. Learn about their nonprofit work and services.

letsencrypt.org · 90,733

Akismet

Akismet offers ultimate spam protection for websites, used by millions worldwide.

akismet.com · 50,917

Have I Been Pwned

Check if your email has been compromised in a data breach with Have I Been Pwned. Search multiple data breaches to see if your email address or phone number has been compromised.

haveibeenpwned.com · 16,188

Ghostery

Take back control of your online privacy with Ghostery, the #1 privacy suite that allows you to block ads, stop trackers, and much more.

ghostery.com · 13,530

DomainTools

The global leader in Internet intelligence providing essential data for best-in-class security programs.

domaintools.com · 13,308

F-Secure

Award-winning antivirus, VPN, and identity protection in one app. Secure your digital moments with total protection and privacy.

f-secure.com · 8,625

OpenSSL

Cryptography and SSL/TLS Toolkit for secure communication

openssl.org · 8,385

Wordfence

Leading WordPress security plugin offering enterprise-class protection against hacks and malware.

wordfence.com · 7,747

AdGuard

The world’s most advanced ad blocker providing the best ad-free experience. Protect your computer from malware and online tracking with AdGuard.

adguard.com · 5,676

PortSwigger

Leading provider of web application security tools and testing solutions

portswigger.net · 1,436

Anonym.es

Anonym.es allows you to anonymize your links with anonym.to, providing a way to link to other sites anonymously.

anonym.es · 533

Xlinks.ws

Anonymize your links with anonym.to and surf the web anonymously.

xlinks.ws · 518

BestVPN

Your ultimate guide to VPN services with honest reviews, guides, and FAQs.

bestvpn.org · 250

ActiveFence

Empowering Trust & Safety and online security professionals with solutions for user and AI-generated content

activefence.com · 236

Safe Zone

A secure online platform for all your privacy needs

www.safe.zone · 193

Antartica Captcha

Website offering captcha services to protect websites from bots

antartica.com.pt · 143

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