BrowserCheck, from security company Qualys, evaluates your installed plug-ins and lets you know if they need to be updated. It's identical in function to Mozilla's Plugin Check, although it appears to be far more limited in scope for now.
Qualys' BrowserCheck helpfully targets out-of-date plug-ins, and provides links to download updates. Oddly, the service takes a unique approach by requiring the user to install a Qualys add-on before it will scan for out-of-date plug-ins. This is likely to frustrate many users, especially in the face of Mozilla's service, which doesn't require an additional add-on and currently … Read more