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OCS Inventory NG vs PDQ Inventory: catalog facts
OCS Inventory NG	PDQ Inventory
Free Free and open source.	Paid Licensed by PDQ; see the PDQ pricing page for current tiers.
Windows, macOS, Linux, Self-hosted	Windows
Inventories both hardware and software on each device Can deploy packages to inventoried machines	Scans and organizes Windows machines into collections Integrates closely with PDQ Deploy
Version 3.0 is still a release candidate and not meant for production Moving from 2.x to 3.0 involves an architecture change	Focused on Windows networks Most useful when paired with PDQ Deploy
Downloadable app, Self-hosted	Downloadable app
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.