[Update] GnuCash 5.16

"GnuCash is a program for personal and small-business financial-accounting.

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 like double-entry accounting to ensure balanced books and accurate reports.

With GnuCash you can (but are not limited to):

Keep track of your day to day personal income and expenses
Manage your stock, bond and mutual fund accounts with ease
Keep your small business' accounting up to date
Create accurate reports and graphs from your financial data
Set up scheduled transactions to avoid repeated data entry
Exchange by CSV/FinTS(former HBCI) or import SWIFT-MT9xx/QIF/OFX data including Transaction Matching
Perform financial calculations, such as a loan repayment"

https://flathub.org/apps/org.gnucash.GnuCash

Home Page
https://code.gnucash.org/website/index.phtml

Release Announcement
https://code.gnucash.org/website/news.phtml

Help Manual
https://code.gnucash.org/website/docs/v5/C/gnucash-manual.pdf

Tutorial and Concepts Guide
https://code.gnucash.org/website/docs/v5/C/gnucash-guide.pdf