[ What’s my public IP ]: A simple component that gives you the public IP address you are using. Very useful when you are on a console and you need to know quickly the public IP you are using to reach Internet.
touchthe service https://albertx.mx/toolkit/wmip.php and look at the results.
[ OpenSSL Cheat Sheet ]: An extraordinary reference for using OpenSSL commands to create digital certificates, encrypt/decrypt information, signing documents and much more. The online version is hosted at Cheatography however you can download the latest PDF version from this site.
[ KeyStore Explorer ]: I wrote a post about this tool and its features previously. If you work with Java and digital certificates or public key cryptography it can be very useful.