Linode, Amazon Web Services, Microsoft Azure, QEMU, Amazon Elastic Compute Cloud, Google Cloud Platform, VMware vSphere Hypervisor, Proxmox Virtual Environment, vmango, MicroCloud, VirtEngine, Google App Engine, Google Cloud VPC, Danube Cloud, XCP-ng, Google Compute Engine, eucalyptus, OpenNebula, WebFaction, Platform.sh, Jelastic Cloud by Infomaniak, CoreCluster, DedicatedCore, Rackspace, Fleio, CloudVPS, Virtkick, MooseFS, ServerBeach, xhypervisor, dediserve, CloudStack, SmartOS, CloudSigma, V2 Cloud, synnefo, ZeroStack, OpenVZ, Gigamon, ElasticHosts, Byet Internet Services, CloudControl, PetiteCloud, Go4hosting, Blue Box, Pithos.io, CloudOps, M3O, Skytap Cloud, GoGrid, Hostingwalk, DealonCloud, Virtsimple are some alternatives to OpenStack.