GnuCash 3.5 Help Manual

GnuCash is personal and small-business financial-accounting software, freely licensed under the GNU GPL and available for GNU/Linux, BSD, Solaris, Mac OS X and Microsoft Windows. This manual is based upon the version released as of June 6, 2019. This manual is printed in grayscale.
Designed to be easy to use, yet powerful and flexible, GnuCash allows you to track bank accounts, stocks, income and expenses. As quick and intuitive to use as a checkbook register, it is based on professional accounting principles to ensure balanced books and accurate reports.
Features Include:

Double-Entry Accounting

Stock/Bond/Mutual Fund Accounts

Small-Business Accounting

Reports, Graphs

QIF/OFX/HBCI Import, Transaction Matching

Scheduled Transactions

Financial Calculations

This manual is available online for free at gnu.org.