https://extensions.joomla.org/extension/vm-payment-btcpay-for-virtuemart/
VM Payment - BTCPay for VirtueMart, by Andreas Tasch - Joomla Extension Directory
A VirtueMart (Version 3 and 4) payment method plugin to integrate with BTCPay Server as a payment processor.
andreas tasch joomlavmpayment
https://extensions.joomla.org/extension/pxlcompressor/
PXLCompressor, by pixelstun.de - Joomla Extension Directory
Image compression and thumbnail creation made simple
joomla extension directoryde