Dubious suscription plan and no serious offers
With the Corona virus as freelancer, you need flexibility and to pay for a service that guarantee qualitative opporuntity. Let me tell you that it is absolutely not the case for Hoofdkraan.nl. They ask 90 €/quarter (320€/year) and without any possibility of termination, even with a notice of 3 months. I tried because I could not afford anymore to pay that amount due to a decrease of activity (Covid) and they even didn't discuss or reply to my request, they just send me a debt collector, and even when I comply with the payment plan, they continued to charge more costs, well into 2021 (I requested to stop the subscription in May 2020).
Moreover if you are a multilingual, international freelancer, don't waste your time on this plateforme with near to zero serious offers, for instance Proz.com charge you 120$/year and it is really reliable.