Apache CloudStack vs Scalr: What are the differences?

Developers describe Apache CloudStack as "An open source resource for implementing cloud services". It is open source software designed to deploy and manage large networks of virtual machines, as a highly available, highly scalable Infrastructure as a Service (IaaS) cloud computing platform. On the other hand, Scalr is detailed as "*Scalr is a remote state & operations backend for Terraform with access controls and policy as code *". Scalr is a remote state & operations backend for Terraform with access controls, policy as code, and many quality of life features.

Apache CloudStack belongs to "Open Source Cloud" category of the tech stack, while Scalr can be primarily classified under "Infrastructure Build Tools".

Some of the features offered by Apache CloudStack are:

• Works with hosts running XenServer/XCP, KVM, Hyper-V, and/or VMware ESXi with vSphere
• Provides a friendly Web-based UI for managing the cloud
• Provides a native API

On the other hand, Scalr provides the following key features:

• Shared State File Storage & Locking
• Run Triggers
• Terraform CLI Integration

"Apache CloudStack works" is the top reason why over 11 developers like Apache CloudStack, while over 4 developers mention "Image Builder" as the leading cause for choosing Scalr.

Apache CloudStack is an open source tool with 992 GitHub stars and 836 GitHub forks. Here's a link to Apache CloudStack's open source repository on GitHub.

According to the StackShare community, Apache CloudStack has a broader approval, being mentioned in 13 company stacks & 42 developers stacks; compared to Scalr, which is listed in 5 company stacks and 10 developer stacks.