Need to create a project schedule? Try our Gantt Chart Template!

Jon Wittwer

About the author: Jon Wittwer is the founder, president, and editor of Vertex42.com. In 2003, Jon combined his interest in web development with his love of Excel to create what would become the Vertex42 you see today. Jon has a Ph.D. in mechanical engineering, but now spends the majority of his time creating, improving, and writing about the spreadsheet templates that are being used by millions of people and businesses all over the world. View Jon’s Vertex42.com Profile.

100+ Templates for OpenOffice and LibreOffice

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Vertex42 offers 100+ free templates for OpenOffice and LibreOffice as free .ods file downloads, including calendars, schedules, financial calculators, budget spreadsheets, invoices, checklists, logs, and more.

Creating Business Forms with Customizable Lists

If you use an invoice or order form in Excel routinely, you may come across times when it would be handy to select items from a drop-down list and have other information update automatically. Here is an example.

10 Strategies for Paying Off Your Mortgage Early

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If you are interested in getting completely out of debt, paying off your mortgage may be the largest hurdle. Here is a list of strategies for paying off your mortgage early. Most of these strategies can be evaluated using the free Home Mortgage Calculator spreadsheet. With that spreadsheet you can estimate how much overall interest [...]

12 Principles of Personal Finance

12 Principles of Personal Finance

One way to know if you want to follow a blog, listen to a talk-show, or even become someone’s friend, is to find out if the principles you want to live by match up with the other person. So, here is Vertex42’s list of personal finance principles. Update 10/27/2015: I’ve added the Principle of Sufficiency [...]