private-cloud
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The Open-Source Company That Quietly Runs Other People's Clouds
It bet on OpenStack, bought Docker Enterprise, and now wants to turn your GPUs into an AI factory - all without locking you in. In August 2026, IREN bought the whole thing for $625 million.
Atolio
Atolio is a private, AI-powered enterprise search platform that runs inside a company's own cloud (AWS, Azure, or GCP) or on-premises. It connects to workplace systems like Slack, Google Workspace, Office 365, Salesforce, and ServiceNow, then indexes them with document-level permissions so employees only see what they are already authorized to view. Founded in 2019 by Splunk and PagerDuty veterans, Atolio pairs hybrid semantic-plus-keyword search with permission-aware retrieval-augmented generation, giving enterprises secure question answering across siloed knowledge without their data ever leaving their environment.
Oxide Computer Company
Oxide Computer Company builds the Oxide Cloud Computer, a rack-scale system that fuses purpose-built hardware with open-source software to give enterprises the elastic, API-driven experience of a public cloud inside their own data centers. Founded in 2019 by Joyent and Docker veterans, Oxide designs everything from the sheet metal, power distribution, and boot firmware up to the hypervisor and control plane, selling a single integrated rack rather than a pile of parts. It has raised over $577M, counts national labs and Fortune 1000 enterprises among customers, and is known for radical engineering transparency including a uniform company-wide salary.
Sihua Technologies Inc
Sihua Technologies Inc is a Cupertino, California enterprise-infrastructure software company that helps organizations build private and hybrid clouds inside their own data centers. Its software-defined stack - the ExpressVM virtualization engine, the MegaBric hyper-converged storage suite, and the XOS operating layer - collapses compute, virtualization, and storage onto standard x86 servers, aiming for enterprise-class performance and high availability without the price of proprietary appliances. Founded in 2000 and paired with its Shanghai-based sibling company KXTech, Sihua also ships media-streaming (XView) and AI data-acceleration (NeuADC) products for telecom and enterprise customers.
MetalSoft
MetalSoft is a Chicago-based infrastructure software company that turns racks of physical servers, switches, and storage into cloud-like, self-service infrastructure. Its CloudPlex platform automates the full lifecycle of multi-vendor bare metal hardware - discovery, OS and firmware deployment, network fabric configuration, and storage - so enterprises and service providers can provision dedicated infrastructure on demand via a UI or API. Spun out of cloud hosting company Hostway in 2019 and led by serial founder Lucas Roh, MetalSoft raised a $16M Series A in December 2022 and has since pivoted hard toward orchestrating GPU clusters and 'AI factories' for telcos, data center operators, and Fortune 500 enterprises.
Nutanix
Nutanix is a San Jose-based enterprise cloud software company that pioneered hyperconverged infrastructure (HCI), collapsing servers, storage, virtualization and networking into a single software layer that runs the same way in a private data center, at the edge, or in the public cloud. Its platform lets IT teams run virtual machines, containers, databases and AI workloads across clouds without the operational sprawl of traditional three-tier architecture. Now a public company (NASDAQ: NTNX) with more than $2.5 billion in annual revenue and roughly 7,000+ employees, Nutanix competes head-on with VMware as enterprises rethink their virtualization stack.
MinIO
MinIO is a high-performance, S3-compatible object storage company building the data layer for AI. Its software-defined storage runs on commodity hardware in private clouds, on-prem, and at the edge, and is used by more than half of the Fortune 500 to power analytics, ML training, and exascale AI workloads.