Programs that provide Internet sites where people can file individual, business or other tax return information electronically using specific software products. Users answer questions about their income, withholding, dependents, deductions and other details and the software completes the calculations. The returns may be filed electronically with the appropriate federal and state tax agencies or printed for mailing through the postal system.

Programs that help eligible individuals (including older adults, people with disabilities and people with low incomes) prepare their tax returns or complete paperwork to apply for tax relief in the form of tax credit, rebate, exemption or postponement programs. Included are programs staffed by volunteers or others who provide this service without charge and professional tax preparation services. Most tax preparation assistance sites allow the people they assist to file their tax return information electronically.