1040.com
1040.com is an online tax resource dedicated to helping you find the information, news, and forms you need to complete your taxes.

IRS
Your online guide to forms, questions and answers regarding taxes.

IRS.com
irs.com(tm) links taxpayers with online resources for tax forms, tax preparation, tax software, expert help with tax liens, IRS audits and filing tax extensions.

Tax Web
TaxWeb is the Internet's first consumer-oriented source for federal, state and local tax-related developments. Within this site, we will provide you with answers to general tax questions, plus hyperlinks to current federal and state-sponsored tax...

Wall Street Journal Guide to Money and Investing
Articles on the tax consequences of buying a home, adopting a child or losing a spouse.