Cryptomat - Encrypt or decrypt any text messages online using the industry-standard AES algorithm. This tool operates strictly in-browser, without sending your entered data to the server.
StayInvisible - Analyze what does your browser reveal about you, to understand online privacy threats and learn how to stay anonymous online.
iPrivacyTools - Easy-to-use software lets you change your IP address anytime by routing your Internet traffic through private and secure servers worldwide.
Proxy Checker - Free online checker for ip:port proxy servers.
Digital Cybersoft - Free online proxy checker and other proxy-related tools.