https://earnapp.com/
Some countries pay $0.1 per GB and others pay $0.5 per

https://packetstream.io/
$0.1 per GB

https://honeygain.com
$0.1 per GB (can earn extra by using content delivery)

https://iproyal.com/
$0.2 per GB

https://www.spider.com/
$0.15 per GB

https://nanowire.com/
$0.5 per GB

I advise to run all or a few at a time to maximise your profits :)