Great Port Checker

This is a great tool to check the ports on your machine for security holes.

clipped from www.yougetsignal.com The port forwarding tester is a utility used to identify your external IP address and detect open ports on your connection. This tool is useful for finding out if your port forwarding is setup correctly or if your server applications are being blocked by a firewall. It is important to note that some ports, such as port 25, are often blocked at the ISP level in an attempt to prevent malicious activity.

Sweet 10 Minute Email Address

clipped from 10minutemail.com Welcome to 10 Minute Mail By clicking on the link below, you will be given a temporary e-mail address. Any e-mails sent to that address will show up automatically on the web page. You can read them, click on links, and even reply to them. The e-mail address will expire after 10 minutes. Why would you use this? Maybe you want to sign up for a site which requires that you provide an e-mail address to send a validation e-mail to. And maybe you don't want to give up your real e-mail address and end up on a bunch of spam lists. This is nice and disposable. And it's free. Enjoy! Get my 10 Minute Mail e-mail address. Get my Ad-Aware malware protection.

Firebug

Here is a great free web development tool that is free and open source.

clipped from www.getfirebug.com Firebug integrates with Firefox to put a wealth of web development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page. Release Notes