urlquery.net is like a lie detector test for the internet. We ask those sneaky URLs some tough questions and see if they're telling the truth or pulling a digital prank.
Cost / License
- Free
- Open Source
Platforms
- Online
+2
- +9
Online tools to protect your privacy and security.
Cost / License
- Free
- Open Source
Application type
Platforms
- Online
Easy-to-use interface and extensive collection of testing tools for optimizing performance and user experience.
Cost / License
- Free
- Open Source
Platforms
- Online
Check to see if your adblockers are working.
Alternatively, Can you block it?:
Can you block it?
Adblock Tester: 
AdBlock Tester
Cost / License
- Free
- Open Source
Application type
Platforms
- Online
Monero is a digital currency that is secure, private, and untraceable. It is open-source and freely available to all. With Monero, you are your own bank. Only you control and are responsible for your funds, and your accounts and transactions are kept private from prying eyes.
Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- Chrome OS
The most private currency.
Use with a hardware wallet or paper wallet.
Peer-to-Peer file sharing with auto-expiring links. Supports Tor, QR codes, multi-language. 24-hour server retention. Features also include clipboard sharing and custom link expiration.
Cost / License
- Free
- Open Source
Application type
Platforms
- Windows
- Online
Private file sharing between computers.
Alternatively, LocalSend:
LocalSend
OnionShare: 
OnionShare
SwissTransfer: 
SwissTransfer
Njalla only needs your email or a jabber address in order to register a domain name. Created by people from The Pirate Bay. Accepted Payments: Bitcoin, Litecoin, Monero, DASH, Bitcoin Cash and PayPal. A privacy-aware domain registration service.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Online
Register domains privately
Alternatively, Orangewebsite:
OrangeWebsite
Servers Guru: https://servers.guru/
Infomaniak: 
Infomaniak
Quad9 is a free, recursive, anycast DNS platform that provides end users robust security protections, high-performance, and privacy.
Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- Online
- Android
- Android Tablet
- F-Droid
Encrypts your DNS. You can set up on basically any device.
Alternatively, Cloudflare:
1.1.1.1
NextDNS: 
NextDNS
AdGuard: 
AdGuard DNS
MullvadDNS: 
MullvadDNS
UncensoredDNS: 
UncensoredDNS
BrowserLeaks.com is a website that checks how much private information your web browser is leaking about you. This includes your IP address, unique fonts, screen resolution, operating system, battery status, etc. Advice is given on how to fix this.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online
Some email clients perform operations when reading an email which give away information about the reader, to the sender of the message. If you enter your email address into the form on my home page, this web app will send you a confirmation email to make sure you own the email...
Cost / License
- Free
- Open Source
Application type
Platforms
- Online
- Self-Hosted
With this web site, we aim at providing users with some basic information about their configuration and how trackable it is. We also want to exploit the data we collect to advise users about how they can be more similar to others and thus be less trackable.
Cost / License
- Free
- Open Source
Platforms
- Online
Test how protected your browser is from fingerprinting.
Alternatively (not as in-depth), Cover Your Tracks:
Cover Your Tracks
Analyse suspicious files, domains, IPs and URLs to detect malware and other breaches, automatically share them with the security community.
Cost / License
- Free Personal
- Proprietary
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- Microsoft Edge
- Google Chrome
- Software as a Service (SaaS)
- Mozilla Firefox
- Flathub
- Flatpak
- Android Tablet
+1
Access JMP phone numbers from any device with internet: supports voice, SMS, MMS (pictures and group texting). Entirely open source stack and works over open protocols (XMPP).
Cost / License
- Paid
- Open Source
Platforms
- Software as a Service (SaaS)
+4
Open-source service offering unlimited anonymous email aliases, encrypted forwarding, spam protection, and anonymous replies to keep your identity private.
Cost / License
- Freemium
- Open Source
Application typeApplication types
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- Microsoft Edge
- Google Chrome
- Safari
- F-Droid
- Software as a Service (SaaS)
- Mozilla Firefox
+1
Email aliases to protect your email.
Alternatively, Firefox Relay:
Firefox Relay
Simple Login: 
SimpleLogin
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