illumos
illumos is a community-developed, open source Unix-like operating system kernel forked from OpenSolaris. It integrates DTrace, ZFS/OpenZFS, MDB, and virtualization, and is packaged by downstream distributions such as OmniOS, OpenIndiana, SmartOS, and Tribblix for enterprise and infrastructure use.
- Company typePrivate
- Founded2010
- HeadquartersSan Marcos, United States
- Headcount—
- GTM typeB2B
- OfferingSoftware
What illumos does
illumos is a community-developed, open source Unix-like operating system kernel that originated as a fork of OpenSolaris following the discontinuation of that project. It is maintained by an independent developer community based in San Marcos, United States, and is organized around a public source code repository, developer and user mailing lists, comprehensive documentation including books and manual pages, and an actively maintained hardware compatibility list.
The core technical offering of illumos consists of the kernel itself together with integrated Solaris-derived system technologies, most notably DTrace for dynamic tracing and observability, the ZFS file system (further evolved through OpenZFS), the modular debugger (MDB), and virtualization capabilities. Downstream distributions such as OmniOS, OpenIndiana, SmartOS, and Tribblix package and ship illumos to end users and enterprises, with some commercial vendors offering illumos-based products including cloud-oriented platforms, illustrating a layered ecosystem of upstream kernel development and downstream commercial packaging.
illumos does not operate as a commercial enterprise: there is no evidence of a monetization model, paid support tier, subscription pricing, or venture funding in the supplied data. Its "go-to-market" is implicit and community-driven, with commercial activity concentrated among independent downstream distributors and vendors rather than a central revenue-generating entity. The project's customers, in a broad sense, are the maintainers of downstream distributions and the operators deploying illumos-derived systems in production environments, but no customer concentration, ARR, or revenue figures are disclosed.
illumos firmographics
Firmographics- Name
- illumos
- Legal name
- illumos
- Website
- https://illumos.org
- Company type
- Private
- Founded year
- 2010
- Operating status
- Operating
- Short description
- illumos is a community-developed, open source Unix-like operating system kernel forked from OpenSolaris. It integrates DTrace, ZFS/OpenZFS, MDB, and virtualization, and is packaged by downstream distributions such as OmniOS, OpenIndiana, SmartOS, and Tribblix for enterprise and infrastructure use.
- Ownership category
- akta.pro rank
illumos industry classification
Industry- Product category
- Open Source Operating System
- NAICS
- Software Publishers (5132), Custom Computer Programming Services (541511)
- SIC
- Services-Prepackaged Software (7372)
- akta.pro primary industry
- IT Operations Management (ITOM) Platforms (HDAEALAC)
Keywords
Where illumos is headquartered
LocationHeadquarters
- HQ city
- San Marcos
- HQ country
- United States
- HQ region
- North America
Markets served
illumos business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Infrastructure, Operations, Technology or R&D, Personnel
Revenue model
- Open Source Distribution: illumos is freely available as open source software. No direct revenue is generated from the core project. Companies and contributors may build commercial products and services on top of illumos distributions.
Go-to-market motion1 record
Distribution channels2 records
Marketing channels5 records
illumos product offering
Product offeringCore offering
illumos is an open-source Unix operating system that provides next-generation features including advanced system debugging via DTrace, the ZFS next-generation filesystem, networking, and virtualization options for downstream distributions. The software is developed by volunteers and companies building products on top of it, and serves as a foundation for traditional and cloud-native deployments.
Product overview
illumos is a Unix operating system that serves as an open-source foundation for multiple downstream distributions. The core product is the illumos operating system kernel and utilities, which provides advanced features including DTrace dynamic tracing, ZFS filesystem, networking, and virtualization. The illumos ecosystem includes multiple independent distributions: OmniOS (server-focused), OpenIndiana (workstation/server), SmartOS (hypervisor), Tribblix, DilOS, and others. illumos also provides extensive documentation including the Dynamic Tracing Guide, ZFS Administration Guide, Developer's Guide, Modular Debugger Guide, and Writing Device Drivers documentation. Source code is maintained in Git repositories with code review via Gerrit. The project is developed collaboratively by volunteers and companies building products on top of the software.
Differentiator
Problem solved
Functional benefit
Products and services
- illumos Operating System Unix operating system kernel and utilities providing next-generation features including DTrace dynamic tracing, ZFS filesystem, networking, and virtualization for downstream distributions. Supports SPARC and x86 processor architectures and is freely available as open source.
- illumos Source Code Repository Primary source code repository for illumos hosted on Gerrit with a read-only mirror on GitHub, allowing developers to download and build illumos from source.
- illumos Manual Pages Comprehensive manual pages covering user commands, system calls, libraries, device interfaces, file formats, and kernel concepts for the illumos operating system.
Companies that use illumos
Customer profileSegments3 records
Ideal customer profiles3 records
illumos technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
illumos partnerships and signals
Strategic signalPartnerships
Nine partnerships are on record, tiered core and minor.
- OmniOS Community AssociationcoreOmniOS Community Association maintains OmniOS CE (Community Edition), a server-focused illumos distribution. OmniOS is the recommended distribution for building illumos from source and serves as a reference platform.
- OpenIndianacoreOpenIndiana is a desktop and server-oriented illumos distribution, derivative of OpenSolaris. It provides IPS packaging and targets both workstation and server use cases.
- SmartOS (by Edgecast Cloud)coreSmartOS is a hypervisor-focused illumos distribution by Edgecast Cloud (formerly Joyent). It supports KVM and LX brand zones for running Linux binaries, using pkgsrc packaging.
- NexentaminorNexenta develops NexentaStor, a storage-focused illumos distribution with APT packaging. They target enterprise storage use cases.
- Peter Tribble (Tribblix)minorTribblix is an illumos distribution maintained by Peter Tribble, targeting workstation and server use cases. It supports x86, SPARC, and uses SVR4 packaging.
- OpenZFScoreOpenZFS is a platform-independent open source filesystem project that originated from illumos/Solaris ZFS. illumos includes OpenZFS as its primary filesystem, and the projects share development efforts.
- Sonicle (XStreamOS)minorSonicle develops XStreamOS, a server-focused illumos distribution.
- MilaX (v9os)minorMilaX maintains v9os, a SPARC-focused illumos distribution.
- Danube Cloud Community (esdc-ce)minorDanube Cloud is a hypervisor-focused illumos distribution (Proxmox comparison) using pkgsrc packaging, supporting KVM and LX zones.
Scale indicators4 records
Recent moves6 records
Expansion highlights4 records
illumos competitors and assessment
Company assessmentDirect peers
- FreeBSD: FreeBSD is the closest direct peer: a community-developed, open-source Unix-like operating system with comparable positioning (BSD license, advanced networking, ZFS support, Jails virtualization, and a similar model of downstream vendors commercializing the base). Both projects target server, storage, and embedded use cases where mature Unix semantics matter.
- SmartOS: SmartOS is the hypervisor-focused illumos-based distribution originally developed by Joyent and now maintained by Edgecast Cloud. It is directly comparable as a commercial-leaning downstream built on the subject's kernel with Zones + KVM virtualization.
- NetBSD: NetBSD is another community open-source Unix-like system with similar horizontal hardware portability ambitions. Both projects serve niche use cases (NetBSD on exotic hardware, illumos on SPARC plus x86) and rely on volunteer-driven releases.
- OpenIndiana: OpenIndiana is an illumos-based distribution and the project's own projects_and_services list it as one of the recommended user-facing entry points. It is comparable as a packaging-and-distribution layer built directly on top of the subject's codebase.
- OmniOS: OmniOS Community Edition is another illumos-based distribution that the project identifies as the recommended reference platform for building illumos from source. It is directly comparable both as a downstream distribution and as a packaging community with shared governance coupling to illumos.
- OpenBSD: OpenBSD is a sibling open-source Unix-like OS developed by a focused volunteer community with security and correctness as primary design tenets. It shares illumos's model of governance through a core team, mailing lists, and CVS-style source management rather than corporate ownership.
Emerging players
- Debian: Debian is an open-source community operating system project used as the base for many downstream distributions, directly analogous to how OmniOS, OpenIndiana, and Tribblix are downstream distributions of illumos. Both projects serve as shared upstream foundations for multiple commercial and community distributions.
- DragonFly BSD: DragonFly BSD is a community open-source BSD-derived operating system with its own HAMMER filesystem and kernel innovations. It is comparable as a volunteer-driven Unix-like OS targeting HAMMER-like storage and server use cases that intersect with illumos's ZFS/storage-focused derivatives.
- Haiku OS: Haiku is an open-source operating system project reimplementing the BeOS API/community model. It is comparable as a community-developed OS project relying on volunteer contributors and dedicated downstream communities rather than corporate ownership.
Broad incumbents
- Linux Foundation Projects (kernel.org): Linux is the dominant incumbent open-source kernel/operating system serving the same server, cloud, and storage roles illumos targets. It is the most consequential competitor and broad incumbent whose ecosystem, tooling depth, and industry mind share directly determine the addressable opportunity for illumos.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
illumos social profiles
Digital presenceillumos financial estimates
Financial estimateRevenue estimate
Valuation estimate
illumos leadership team
Management profileNumber of profiles
illumos funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
illumos M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about illumos
What does illumos do?
illumos is an open-source Unix operating system that provides next-generation features including advanced system debugging via DTrace, the ZFS next-generation filesystem, networking, and virtualization options for downstream distributions. The software is developed by volunteers and companies building products on top of it, and serves as a foundation for traditional and cloud-native deployments.
Is illumos a public or private company?
illumos is a private company. It is classified as unknown and is currently operating.
When was illumos founded?
illumos was founded in 2010.
Where is illumos based?
illumos is headquartered in San Marcos, United States, in the North America region.
How does illumos make money?
One revenue line is on record: open Source Distribution.
Who are illumos's main competitors?
Direct peers on record are FreeBSD, SmartOS, NetBSD, OpenIndiana, OmniOS and OpenBSD. Emerging players are Debian, DragonFly BSD and Haiku OS. Linux Foundation Projects (kernel.org) is listed as a broad incumbent.
Does illumos have an API?
No public API is recorded for illumos.
What industry is illumos in?
illumos's product category is Open Source Operating System. Its primary akta.pro industry code is HDAEALAC, IT Operations Management (ITOM) Platforms. Its NAICS code is 5132 and its SIC code is 7372.