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Since 1992, I’ve been developing and publishing Microsoft® Windows® applications designed to make your life easier, more productive, and more enjoyable. I have published a number of applications over the years—Alarm++, Display Changer, Aligner, Shutdown, and Fireworks, to name a few. After some time, however, I decided to focus on the most popular and (I think) the most useful applications: Alarm++ and Display Changer. This lets me provide better service and more focused development, which translates into more features and no bugs.

I’ve re-published some of the more popular applications as freeware due to the number of requests I’ve received. There are also some new applications there, too—also free.

In 2002, I changed the company’s name from Perpetual Motion Software to 12noon.


If you have any questions, comments, or suggestions regarding product features, ordering, pricing, upgrades, etc, please send me an e-mail.


If you have any issues or suggestions regarding the software, please let me know.

Web Site

If you have any issues or suggestions regarding the presentation of this Web site, including broken links, please send me an e-mail.

License and Warranty

License for free and shareware products.

Warranty for free and shareware products.


Information about piracy and cracks.

Official Copyright

© 2002-2019 12noon, Stefan Tucker
© 1995-2002 Perpetual Motion Software, Stefan Tucker