What is Donationware?
Donationware is freeware monetized by asking its users for donations.
Quotes
Please be aware that Time Stamp is "donationware," at the same time it is Open Source. Donations to encourage future development and to help pay for the upkeep of the supporting web site are welcome. A donation is not required for your free use of Time Stamp, nor does a donation guarantee any enhancement or change, however I make enhancement decisions based on the number of requests I get for a particular enhancement from users who have donated. Please send whatever you think support and availability of Time Stamp are worth to you
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