Alternatives to Tenable Nessus?

In the past, I've used nessus for vulnerability scanning my lab, but as my service count has grown, the 16 IP limit is becoming a little unwieldy.

Is anyone able to recommend an alternative that fits at least most of the requirements I have?

• Free (preferably in both senses of the word)
• Doesn't use Docker, even if containerized, I'd prefer to avoid having my scanner share a host with another service... and I'm not incredibly well versed with Docker
• Scans multiple systems (I tried Trivy, but as far as I can tell it only scans the system you install it on)
• Has a webui for management of scans

Alternatively, if anyone is willing to lend some advice for the configuration of Wazuh... I deployed the service months ago with the expectation that it could be used for vulnerability scanning (the Dev was in a few reddit threads suggesting that it had the capability), but i haven't been able to configure it properly.

I appreciate any advice people are willing to offer!

Edit: fixed formatting