Side by side
Google Cloud VM Manager vs OPSI
Both stand on patch management software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APILinuxWeb+1
VM Manager combines patching, inventory, and software policy tools for Compute Engine fleets. Its locale restriction and single-project patch-job scope are important operational limits.
Visit Google Cloud VM Manager Free plan Open source APILinuxMac+3
OPSI covers deployment, inventory, patching, and configuration in a single client-management system. Check the license limits and minimum device purchase against the size of your setup.
Visit OPSIThe facts
| Google Cloud VM Manager | OPSI | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Yes |
| Runs on | API, Linux, Web, Windows | API, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Free or on request | See the plans |
| Plans published | 3 | 5 |
| Maker | Not published | Not published |
| Website | cloud.google.com | opsi.org |
| On patch management software | #5 of 49 | #1 of 49 |
Google Cloud VM Manager: what it does well
- Patch jobs support schedules, approvals, and scripts.
- Inventory includes packages, updates, and vulnerabilities.
- OS policies automate configuration deployment and reporting.
- Free tier covers 100 VMs per billing account monthly.
- Supports Windows Server and multiple Linux distributions.
What to know first
- Only English-locale operating systems are supported.
- Patch jobs run within a single project.
- Creating jobs or assignments requires potentially powerful IAM permissions.
- Inventory data can be deleted after agent reporting stops for days.
OPSI: what it does well
- Automates software distribution and operating-system installation.
- Inventory can collect hardware details without an installed OS.
- Centralizes administration across multiple sites.
- Browser-based web interface needs no client-side installation.
What to know first
- Basic is limited to 30 devices per user.
- Basic is limited to one setup per user.
- Professional and Enterprise require at least 100 devices.
Alternatives to Google Cloud VM Manager Alternatives to OPSI The whole list

