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ColdAisle

Free#1 of 24 in Data Center Infrastructure Management Software

ColdAisle: A free, broad DCIM application for teams prepared to manage their own Windows deployment. Ranked #1 of 24 in Data Center Infrastructure Management Software by our editors (9.4/10); pricing: Free plan; best for teams wanting broad free, open-source DCIM.

9.4/10Editor score
ColdAisle9.4 Visit ColdAisle

At a glance

  • Editor score
    9.4 / 10
  • Pricing
    Free plan
  • Best for
    Teams wanting broad free, open-source DCIM
  • Free plan
    Yes
  • Paid from
    Free
  • Rack management
    Yes
  • Facts checked
    20 Sep 2026
ColdAisle screenshot
  • Where it wins

    • Covers racks, power, cooling, cabling, IPAM, monitoring, and audits
    • Includes 2D and 3D planning with rack conflict checks
    • Supports Entra ID, ITSM tools, openDCIM, and SNMP discovery
  • Where it doesn't

    • Requires customer-managed Windows infrastructure, IIS, PHP, and SQL Server
    • Self-hosted deployment adds infrastructure and maintenance responsibilities
    • Its breadth may exceed the needs of teams seeking a narrow DCIM tool

Our verdict on ColdAisle

ColdAisle is an open-source data center infrastructure management application for operators and infrastructure teams managing cabinets, racks, power, cooling, cabling, IP addresses, monitoring, work orders, and audits. It is designed for organizations that want a broad DCIM scope while keeping the application on customer-controlled Windows infrastructure rather than using hosted SaaS. The published feature set covers planning, operations, monitoring, access control, and migration from openDCIM.

ColdAisle is free to use and MIT-licensed, with a self-hosted deployment model. The application requires Windows infrastructure with IIS, PHP, and SQL Server, so adoption includes responsibility for the underlying environment. Authentication can use role-based access with Administrator, Operator, Auditor, and Viewer roles, plus optional LDAPS or Microsoft Entra ID support. The product also includes openDCIM import with preview and merge modes, which supports teams transitioning existing information into the application.

Its strongest distinction is breadth across physical infrastructure and operational workflows. Teams can create 2D floor plans, interactive 3D floor and rack views, rack elevations with U-space and conflict checks, power and cooling telemetry, airflow visualizations, cabling paths, IPAM indexes, SNMPv2c/v3 discovery, work orders, physical audits, audit trails, and disposal workflows. Integrations include ServiceNow, Jira, Zendesk, Freshservice, ManageEngine ServiceDesk Cloud, Microsoft Entra ID, LDAPS, and openDCIM. ColdAisle suits teams that value free, open-source, self-hosted DCIM with wide coverage; teams that prefer hosted SaaS or do not want to manage Windows-based infrastructure should consider a different approach.

Your product? Our editors can test ColdAisle in depth and publish a review, labelled as paid · from $149/mo →

ColdAisle pricing

Plans Free planFree Free to use — no paid tier required for the core job.
See plans on coldaisle.app

ColdAisle fact sheet

Free planYes
Paid fromFree
Asset limitNot verified
Rack managementYes
Power monitoringYes
Cooling monitoringYes
Space and capacity planningYes
DeploymentOn-premises
DeploymentSelf-hosted
PlatformsWeb, Windows
SupportCommunity
Built forSmall business, Mid-market, Enterprise (editorial estimate)
Integrations8 integrations: Microsoft Entra ID, LDAPS, openDCIM, ManageEngine ServiceDesk Cloud, ServiceNow, Zendesk …
PricingFree plan
Websitecoldaisle.app
Facts checked20 Sep 2026

ColdAisle integrations

ColdAisle lists 8 integrations on its own site.

  • Microsoft Entra ID
  • LDAPS
  • openDCIM
  • ManageEngine ServiceDesk Cloud
  • ServiceNow
  • Zendesk
  • Jira
  • Freshservice

Alternatives to ColdAisle

See all ColdAisle alternatives →

ColdAisle vs the competition

Compare ColdAisle with any tool side by side →

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Featured on iTechGuides

Featured on iTechGuides — ColdAisle 9.4/10

ColdAisle is listed in our Data Center Infrastructure Management Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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