One view of what's missing.

Your servers are listed in an inventory, a monitoring system, a security tool and a hypervisor, and those lists never quite match. Oneglass compares them and shows the gaps, so every machine is registered, monitored and protected.

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Questions it answers

Not in the inventory

VMs that run on a hypervisor but were never registered in your CMDB.

Not monitored

Hosts in your inventory that have no monitoring checks.

Not protected

Servers without a security agent, or with one that stopped reporting.

CAASM, without the enterprise weight

Cyber asset attack surface management (CAASM) pulls asset data from every system you run, matches it up and shows where coverage is missing. Commercial CAASM platforms are built for large enterprises with large budgets.

Oneglass brings the core idea to small and mid-sized teams: open source, running on your own machine, and starting with the gaps that matter most day to day.

Why it matters

You can't patch, monitor or protect a server you don't know exists
Every tool has its own list, and the lists drift apart over time
One report shows the drift before an attacker or an outage does

Pluggable by design

Turn on only the tools you use. Each source is a plugin, and adding a new one doesn't touch the core.

Inventory / CMDB

Where your servers are supposed to be registered.

Monitoring

Where they should have health checks and alerts.

Security

Where they should have an agent reporting in.

Virtualization

Where they actually run.

Use it as a terminal UI for quick checks, or as a simple web view to share with your team.