TaxLinx organizes information about income taxes using dropdown, fanout menus of links to publications, files, summaries, calculators, charts etc. It contains links for federal and state (predominantly Maryland) income tax subjects. Target users are income-tax preparers, mostly volunteers. TaxLinx contains links to AARP Foundation material for AARP volunteeers who are registered users. There are additional features to assist the preparer, like the ability to store confidential notes. TaxLinx is always a work in progress, continually updated, and free. Registration is encouraged.