What type of information are you specifically looking for?
Your question is rather open-ended.
Yup…WhatIs.com has lots of tutorials:
http://www.w3schools.com is as good a place to start as any.
WestCIV is a pretty good basic site http://www.westciv.com/courses/free/index.html You can also purchase CDs of courses.
Usually i found very interesting turorials at SearchMobileComputing.com.
You can subscribe to the news amd you’ll get summary mails with links to a lot of news and tutorials.
I hope this can help you
The IBM Redbook site is a great place to start. It contains man many free books in topics including Lotus Notes, Domino, IBM Workplace, Sametime, Quickplace, Websphere, Rational, Tivoli etc.
You could also try http://safari.informit.com/
CNET also has a number of online courses on various subjects. See http://courses.help.com/index.jsp
CNET’s online courses are targeted toward the lay home user orconsumer. HP has more and better free online courses targetted toward IT professionals and software developers:
Books24X7.com is a good resource for technical books.
They have a free 30 day trial. But, then you have to pay for it. Perhaps you can get your company to pay for it if the resource works out.
SDN.SAP.COM –> there are some usefull tutorials
As for me it is easier to use online titorials like php tutorial