Ceph is an open-source unified distributed storage system created by Sage Weil in 2004, providing object, block, and file storage interfaces, widely deployed in OpenStack, Kubernetes, and private cloud environments.
ChunkHost was founded in 2009 and is headquartered in the United States. It is a cloud infrastructure provider offering SSD cloud servers and bare metal servers, known for high-performance SSD storage architecture, developer-friendly RESTful API, elastic block storage, and hourly billing for I/O-intensive workloads.
LunaNode is a Toronto-based cloud server provider with hourly-billed KVM instances from about $0.006/hour, offering snapshots, block storage, and a full API for North American developers and automated workloads.
Founded in 2010 and headquartered in Las Vegas, NV (Frantec), BuyVM offers unmetered KVM VPS from $3.50/month and flexible block storage slabs for budget-conscious, high-bandwidth workloads.