DevOps · HQ: United States · 50 to 100 employees
CAST AI is a Kubernetes automation platform using ML to cut cloud costs through automated rightsizing, bin packing and Spot Instance orchestration. It works on AWS, GCP and Azure.
DevOps · HQ: United States
vCluster Labs (formerly Loft Labs, renamed in August 2025) is a remote-first company in San Francisco with a global team. It created vCluster for virtual Kubernetes clusters. Its open-source projects include DevPod, jsPolicy and kiosk. It works on platform engineering for multi-tenancy and efficiency.
Golang 
Python 
DevOps · HQ: United States
Arista Networks is a cloud networking company. It provides AI-powered networking with its EOS operating system and CloudVision platform.
Python 
C++ Golang 
DevOps · HQ: Australia
Buildkite is a CI/CD platform for software developers offering a hybrid continuous integration and deployment solution.
DevOps · HQ: United States
HashiCorp, an IBM company, makes multi-cloud infrastructure automation tools: Terraform, Vagrant, Packer, Consul, Vault, Nomad, Boundary, Waypoint and Project Infragraph (agentic automation). Mitchell Hashimoto and Armon Dadgar founded it in San Francisco in 2012. It is a remote company.
Ruby 
Rails 
GCP
Kubernetes