Revolt.eco is sales and CRM software for installers of photovoltaic systems and heat pumps. The application supports the technical and commercial site visit, sizing and layout of panels on photos and satellite images, remote shading assessment, quotes and proposals, a shared calendar and installation planning, reminders, and a client portal that shows project progress. Administrative documents can be generated. With the customer's consent, consumption data is retrieved through a service provider. Revolt.eco runs in the browser and as an app on computers, tablets and smartphones.
Revolt SAS is a French company based in Paris, so it falls under EU law and the GDPR. Its privacy policy states that data is stored on Google Cloud Platform servers and documents on Amazon Web Services servers, all located in the European Union. These are US hyperscalers using European regions; whether that is sufficient depends on your own requirements for jurisdiction. A self-hosted variant is not mentioned.