ZeroVM

San Antonio, United States Founded: 2011 • Age: 15 yrs Acquired By Rackspace
Lightweight open-source hypervisor for cloud virtualization is developed.

About ZeroVM

ZeroVM is a Technology company based in San Antonio (United States) founded in 2011, and was acquired by Rackspace in October 2013. Lightweight open-source hypervisor for cloud virtualization is developed. ZeroVM has raised $500 thousand across 1 funding round from investors including Rackspace Technology and Techstars. ZeroVM offers products and services including ZeroVM, ZeroVM Run Time (ZRT), and Cross-Compilation GNU Toolchain. Its focus areas include Enterprise Infrastructure, Virtualization, Hypervisor and Open Source. Its competitors include Virsto Software, XenSource and Virtutech; 2 of its 3 listed competitors have raised funding.

Company details

ZeroVM was established in 2011 in San Antonio, United States, as a platform focused on cloud computing and virtualization. Based on the Google Native Client project, it was acquired by Rackspace and is now managed under open-source development with community contributions. Operations emphasize rapid instance provisioning in milliseconds and strong isolation between user environments, supporting efficient cloud infrastructure without heavy resource demands.

Key Metrics

Products & Services of ZeroVM

ZeroVM offers a comprehensive portfolio of products and services, including ZeroVM, ZeroVM Run Time (ZRT), and Cross-Compilation GNU Toolchain.

ZeroVM
Virtualization Technology

Provides secure and isolated execution for single-threaded applications.

ZeroVM Run Time (ZRT)
Runtime Environment

Offers C99 compliant setup with glibc and in-memory file system support.

Cross-Compilation GNU Toolchain
Development Tools

Enables building applications for ZeroVM's deterministic environment.

Funding Insights of ZeroVM

ZeroVM has successfully raised a total of $500K through 1 strategic funding round. The most recent funding activity was a Seed round of $500 thousand completed in April 2013. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

  • Total Funding $500,000
  • Total Rounds 1
  • Last Round Seed β€” $500,000
  • First Round $500,000

    (Apr 2013)

  • Investors Count 1

All 1 funding rounds of ZeroVM with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
Apr 2013$500,000Seed––
Valuation history

2 investors in total: 2 institutional.

Investors in ZeroVM

ZeroVM has secured backing from 2 investors, including venture fund and institutional investors. Prominent investors backing the company include Rackspace Technology and Techstars.

All
Venture Fund
Institutional
InvestorDescriptionFounded YearDomainLocation
Startups are accelerated globally without sector restrictions through structured programs.
2006techstars.comNew York, United States
Multicloud solutions, applications, data, AI, and security services are provided.
1998rackspace.comSan Antonio, United States
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Investor details for ZeroVM

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  • Complete investor list
  • Round participation
  • Investor portfolios
  • Co-investor network

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Timeline of ZeroVM

3 dated milestones of ZeroVM across 2 years, from founding to its latest funding, stage changes and deals.

  1. Founded ZeroVM is founded.
  2. Funding First funding round of $500K.
  3. Exit Acquired by Rackspace.

Competitors of ZeroVM

ZeroVM has 3 listed competitors in our database, 2 of them funded. They include Virsto Software, XenSource and Virtutech.

Company NameDomainFoundedHQ LocationTotal fundingEmployeesDescription
virsto.com2007Sunnyvale, United States$24M
Storage virtualization is provided at the virtual machine layer.
xensource.com2004Cambridge, United States$21M
Open source hypervisor technology is provided for enterprise server virtualization.
virtutech.com1998San Jose, United States
Cloud-based software solutions for intelligent connected systems are developed.
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Detailed competitors of ZeroVM

The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.

  • Full competitor set
  • Operating metrics
  • Benchmarks
  • Competitive positioning

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Web traffic of ZeroVM

The website of ZeroVM (zerovm.org) receives about 1.2K visits a month.

  • Monthly visits
    1.2K
Similar websites

Websites whose visitors overlap most with ZeroVM. Affinity shows how closely the audiences match.

WebsiteDomainAudience affinityMonthly visitsGlobal rankProfile
mikelev.in
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100%
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us.pycon.org
us.pycon.org
84%
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docs.prediction.io
docs.prediction.io
84%
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spinics.net
84%
#893,891View details
datamation.com
datamation.com
84%
#331,780–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
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All 16 similar websites and full traffic analytics for ZeroVM

The complete similar-websites list, audience overlap and engagement analytics require an active premium plan.

  • 16 similar websites
  • Audience overlap
  • Engagement analytics
  • Traffic by brand

Verified entity values are shown only after access is granted.

Top companies in Operating Systems & Virtualization

3 companies that operate in the same segment as ZeroVM (Operating Systems & Virtualization) in United States, ranked by their profile score on The Company Check.

CompanyDescriptionFoundedLocationTotal fundingRevenueEmployees
Cloud orchestration solutions are provided for multi-cloud and device applications.
1998Palo Alto, California, United StatesUSD 595.83 MUSD 812.05 M8,861
OpenStack distribution and Kubernetes cluster management are facilitated across clouds.
1993Raleigh, North Carolina, United States
Cloud-based unified communications and virtual infrastructure services are provided.
2006Wayne, United StatesUSD 209.25 M
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Frequently Asked Questions about ZeroVM

ZeroVM was founded in 2011 and raised its 1st funding round 2 years after it was founded.

ZeroVM is headquartered in San Antonio, United States. It is registered at San Antonio, Texas, United States.

ZeroVM is a funded company, having raised a total of $500K across 1 funding round to date. The company's 1st funding round was a Seed of $500K, raised on Apr 2013.

ZeroVM was established in 2011 in San Antonio, United States, as a platform focused on cloud computing and virtualization. Based on the Google Native Client project, it was acquired by Rackspace and is now managed under open-source development with community contributions. Operations emphasize rapid instance provisioning in milliseconds and strong isolation between user environments, supporting efficient cloud infrastructure without heavy resource demands.

ZeroVM's top competitors include XenSource, Virtutech and Virsto Software.

ZeroVM offers ZeroVM, ZeroVM Run Time (ZRT), and Cross-Compilation GNU Toolchain.

ZeroVM has 2 investors. Key investors include Rackspace Technology, and Techstars.

Yes. ZeroVM was acquired by Rackspace in October 2013.

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