Welcome to Trident Software!

Rapid-Pi is an add-on for Microsoft Word (and other word processors) that provides a new, fast way to enter mathematical formulas, equations and expressions into documents. Rapid-Pi's text-based input is a simply faster way to input math. Click here to see the key benefits or download the free 60-day trial version

PowerZip 7.0 is now available. This new version of PowerZip brings many improvements and enhancements. PowerZip now supports split Zip files, strong 128-bit and 256-bit AES encryption (for password-protected Zip files) and offers even better compression. PowerZip 7 can also create and unzip Bzip2 files. See a detailed list of improvements in v7 or download a free trial version and see for yourself.

TridentList is an opt-in e-mail mailing list management service that makes running your own e-mail newsletter easy and affordable.

TridentList will take care of handling subscribe & unsubscribe requests and will deliver your e-mail newsletter to all subscribers. Host your list with TridentList for as little as $5 per month. Sing-up for your free account today!

If you are new to Zip files, the tutorials below will explain the basics of zipping & unzipping and provide step-by-step instructions to help you get started:

Unzipping Zip Files      Creating Zip Files