Balancer II by Perry Miller for the Commodore 64 is a program to help you budget and see where your money is going.  Includes full instructions and supports saving / printing.

Budget Exerciser by Tom Lawrence and Ted Zahn is a full featured Commodore 64 budgeting program that even allows your to play what-if scenarios with your $$$.  Support graphing, printing and saving to disk.

Business Utilities is a bunch of accouinting related tools for things like amortizing a loan, bond yield calculation, finance calculator, fica tax, cash flow, etc...

Car Payments is a simple tool for figuring out what your monthly car payment will be.  You can tell this is old because it won't let you put in less that 6% for the finance rate.

Check Mate (formerly Insta-Ledger by Mastertronic) for the Commodore 64 is a full featured ledger program with full documentation included in the program.

Checkbook 64 v1.2 is by a company called Ransom Software oddly enough, and was release in January 1989.  I'm sure it's exactly what you think, a program to balance your checkbook.  Lots of detailed docs on the disk.

Commodore General Ledger is one of the programs / modules Commodore published as a part of its full accounting suite for the Commodore 64.

Note - This is a BASIC program, so start it with LOAD"$",8

Computax 64 by Gary Hafen (1990) is a tool to aid in income tax preperation.  Being it's 2020 I don't think you're going to want to use this to help you these days.

Easy Finance I by Commodore Business Machines and Eagle Software Publishing is a loan analysis program for the Commodore 64.

Financial Adviser for the Commodore 64 is a financial cookbook for various payment and interest scenarios.

This set of financial tools from Great Valley Publishing is sure to help anyone who is still balancing their checkbook with the Commodore 64.

Ledger 64 is a fairly recent program from Sept. 2012 by a site that no longer exists (loaddollarsign.com).  It's a pretty simple accounting program for the Commodore 64, but gets the job done.

MicroSpec made many business related programs, and Checkbook Manager is one of them.  This is a full featured program with features such as balance, reconsiliation, budgeting, graphics, printing and more.  By far one of the most complete checkbook programs I've run across.

Money Savers - Volume 1 by Real Software is a program that everyone needs to have!   With this program you'll be able to find out all kinds of neat information about your finances, such as how much you'll be worth, how long your savings will last, how long it will take to reach your savings goals and much more.  

Networth v2.2 for the Commodore 64 is a program to calculate what  your worth if kidnapped or held hostage by a renegade group of retro junkies.