Flinga is a browser-based collaboration platform for workshops, group activities and education. Participants take part in the same activity from a browser, a tablet or a mobile phone. The product is developed by Nordtouch, based in Espoo, Finland. It is offered as an online application under terms that allow the provider to change features or to stop the service. The sources consulted do not mention a self-hosting option.
Nordtouch is a Finnish company, so its headquarters fall within the European legal framework. The privacy page states that data resides on servers in the EU and that Nordtouch uses Amazon Web Services for cloud services. Amazon Web Services is a US provider; as a sub-processor it can be subject to US legal requests such as the CLOUD Act, which a European organisation should weigh. No explicit GDPR commitment or data processing agreement was found in the sources consulted, and the ownership structure of the company is not stated. Before use, check the sub-processor list and the contractual safeguards.