Look at the mod here on vB.org. Mark installed is on the right hand side under mod information.
As an example, for the bad behavior mod, look here...
https://vborg.vbsupport.ru/showthrea...t=Bad+Behavior
--------------- Added [DATE]1380551516[/DATE] at [TIME]1380551516[/TIME] ---------------
Also, some mods track version changes. When on the Manage Products screen, check the dropdown box for each mod. Some will have 'Check Version'.