All applications on this website are donationware (freeware).
They are gratis, freely usable, and no registration is necessary.
You may download, copy, and distribute them at no charge; however, you may not modify the software for distribution. You can use them for as long a time as you want.
If you want, you can make a donation by clicking the Donate button.
It is a simple, fast, free, and secure solution, with or without a PayPal account.