Communication resources:Google Talk Free instant messaging and more importantly; access to use VoIP (Voice over Internet Protocol). Though the technology in various versions has been around for years, this seems like a great effort to propagate it. Still in Beta, a software download and a g-mail account, is required.
Bottom line: free phone calls to anyone with a similar download.
Temperature Converter. Fahrenheit to Celsius and vice versa. Handy! You can add a range of these to your site, should you have one. Includes weights and volumes, and distances.
Search Engine Resources http://www.searchengineworld.com/misc/tools.htm Webpage size checker, an html validator, search engine spider simulation, rotob text validator, keyword density analyzer, and a few others. Gives a great insight.
Another suite of tools,keyword density analyzer, keyword proximity analyzer, email address and link validator, and others.http://www.ranks.nl/tools/
More security tools to check email addresses, whois, domain dossiers (I.P. or domain name) and other useful tools.http://www.centralops.net/co/
Web development resources:Website Templates. 400 templates to play around with, free. You can use a W.Y.S.I.W.Y.G. (What You See Is What You Get ) editor here, and save your stuff to your hard drive.
Or download an excellent and free editor here which incorporates an F.T.P. ( File Transfer Protocol ) program which is just something to upload files..