Support the development of Recoll, Upmpdcli or Upplay
However, creating and maintaining them takes a lot of my time, and a bit of money too.
Voluntary contributions are welcome, and help ensure that the applications remain available and maintained, and might even, (who knows), actually improve.
The button will take you to Paypal, where you will be able to choose your amount, and pay, using your Paypal account or a credit/debit card. Please give whatever the program is worth for you ! (Suggestion: 5-20 $/Euros).