License and pricing


Open Source license

If you comply with the GNU Public License v2, you can get KFR for free

Configure Commercial license

For use in closed-source projects, you must purchase commercial license

Choose license tier:

PersonalStarterProEnterprise
Max. projects15UnlimitedUnlimited
Max. seats133Unlimited
Price, EUR45012001900On request
ConditionsMandatory link on every page and About dialog
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ARM/AArch64 support (+50%)


Item code:
EUR 0 per month *

* The initial payment is 3 months, then you're billed monthly

Educational and other not-for-profit organizations are eligible for a discount. Contact us for details.

License agreement