Platform and deployment
Geosys AI
Browser-based, project-based platform with 2D and 3D maps and a point cloud viewer. A desktop upload app and a QGIS plugin help move data in, available on request. Self-hosting is not described in our public materials.
Atlas
Browser-based and cloud-native with no install. Atlas states that data stays user-owned and can be exported on cancellation.[1]
Takeaway. Both are used in the browser with nothing to install. Atlas states an export-on-cancellation policy for your data.