Thank you for your interest in FeynCalc.
FeynCalc is free and noncommercial software.
The development is done by volunteers working on FeynCalc in their spare time.
Any funds you're able to donate are greatly appreciated.
Your support will help
By clicking on the button below you will be taken to the secure payment service of PayPal.
- keeping this web site on-line
- allowing the developers to take time off to concentrate on FeynCalc development
- allowing the developers to take time off to write FeynCalc documentation
- allowing the developers to attend conferences and/or inform about FeynCalc by other means
- allowing the developers to test FeynCalc on more hardware and software configurations
We suggest an amount of 25 Euros, but any amount is welcome and appreciated.