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Head-to-head · CMDB Software

Happy CMDB vs Device42

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Happy CMDB #4 in CMDB Software 8.8/10 Open source ✓ 4 of 4 features Visit Happy CMDB
Device42 #5 in CMDB Software 8.7/10 Pricing on request Free trial✓ 0 of 4 features Visit Device42

Happy CMDB leads on 0 checks, Device42 on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreHappy CMDB · 8.8/10
  • Free trialonly Device42
  • Most featuresHappy CMDB · 4 of 4

Happy CMDB scores higher on our rubric for cmdb software: 8.8 against 8.7 out of 10; our editors rank them #4 and #5.

Happy CMDB is the better fit for open-source teams needing advanced CMDB discovery. Device42 is the better fit for infrastructure-heavy teams needing asset depth.

  • Happy CMDB fits best

    Open-source teams needing advanced CMDB discovery

  • Device42 fits best

    Infrastructure-heavy teams needing asset depth

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Happy CMDB 8.8/10 Visit ↗ Device42 8.7/10 Visit ↗
At a glance
Editor score 8.8 8.7
Ranking #4 in CMDB Software #5 in CMDB Software
Best for Open-source teams needing advanced CMDB discovery Infrastructure-heavy teams needing asset depth
Pricing model Free Paid
Starting price Open source Pricing on request
Free plan Not checked yet —
Free trial — 14 days
Deployment Self-hosted Cloud, Self-hosted
Platforms Web Web
Integrations 43+ integrations 10 integrations
Features Happy CMDB 4/4 · Device42 0/4
Service mapping ✓ (best) Not checked yet
Dependency mapping ✓ (best) Not checked yet
Discovery imports ✓ (best) Not checked yet
Ownership tracking ✓ (best) Not checked yet
Specs
Configuration item limit Not checked yet Not checked yet
Deployment options Hybrid Not checked yet
Relationship types Not checked yet Not checked yet
Our review
Pros
  • Graph-based relationships support dependency and impact analysis
  • AI discovery with 43 connectors across cloud and infrastructure tools
  • REST, GraphQL, analytics, and Kafka event streaming are included
  • Covers physical, virtual, cloud, and software inventory
  • Maps application and asset dependencies across infrastructure
  • Tracks licenses, contracts, warranties, and asset lifecycles
Cons
  • Self-hosted deployment requires infrastructure and operational ownership
  • The feature set may exceed the needs of smaller CMDB projects
  • Hybrid discovery depends on tools such as NMAP, SSH, SNMP, and Active Directory
  • Pricing requires contacting sales
  • No permanent free plan
  • Its breadth may exceed simpler inventory needs
Our verdict

Happy CMDB is an open-source configuration management database for enterprise infrastructure teams. It discovers, maps, and tracks configuration items across multi-cloud and on-premise environments, with graph-based relationship modeling…

Read the review →

Device42 is an IT infrastructure management platform for organizations operating data centers, cloud environments, and hybrid IT. It combines agentless and agent-based discovery with physical, virtual, cloud, and software inventory. Its…

Read the review →
  1. Happy CMDBCMDB Software 8.8Open source
  2. Device42CMDB Software 8.7Pricing on request

Strengths and trade-offs

  • Happy CMDB — where it wins

    • Graph-based relationships support dependency and impact analysis
    • AI discovery with 43 connectors across cloud and infrastructure tools
    • REST, GraphQL, analytics, and Kafka event streaming are included

    Where it doesn't

    • Self-hosted deployment requires infrastructure and operational ownership
    • The feature set may exceed the needs of smaller CMDB projects
    • Hybrid discovery depends on tools such as NMAP, SSH, SNMP, and Active Directory

  • Device42 — where it wins

    • Covers physical, virtual, cloud, and software inventory
    • Maps application and asset dependencies across infrastructure
    • Tracks licenses, contracts, warranties, and asset lifecycles

    Where it doesn't

    • Pricing requires contacting sales
    • No permanent free plan
    • Its breadth may exceed simpler inventory needs

More comparisons

All CMDB software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update