Sumo stands for Software Update Monitor, and it’s a really neat program which scans all the software on your PC and tells you whether you’re missing any updates. It checks applications, screen savers, add-ons such as Flash, and more too. And it’s free.

Just head to http://www.kcsoftwares.com/?sumo

for the download, and select Sumo Lite. Run it, give it a moment to complete the scan, and then you’ll see a list of all your missing updates. You can then decide which updates to install, and which ones you can manage without.

The program is a 2.4 MB download. The file is malware-free according to VirusTotal, and the download site is rated as reputable by Web of Trust.