[jascii]

25% for payment processing?

Maybe the title should be changed to: "This startup thinks they should get paid for your open source projects"

[maximumOS]

it's an industry-standard... UpWork.. Fiverr...

[jascii]

No personal experience, but aren't those at least supposed to put you in contact with potential clients? I'm having a hard time finding any value added in this service over what my bank already offers me for free.