In recent years, we’ve seen many companies upgrading from Accelerite Cloud Platform (Rovius) and its predecessor Citrix CloudPlatform (which were both single-vendor, commercial products based on Apache CloudStack) to Apache CloudStack itself. Some of the drivers behind their decision are the product stability that a large, global open-source community brings to avoid vendor lock-in and the flexibility of a real open-source solution. In addition, they strive to achieve cost efficiency and improved security and compliance. Last but not least, companies often have specific requirements for their cloud infrastructure and services, which is much easier to accomplish with an open-source platform. […]