With almost all applications updating to latest versions because of new features being added or fixing security flaws. Although the application might have a build in check to see if there are any new versions, some times this might be disabled by users. Ketarin is simple open source and free application to keep your installer packages up to date. If you are carrying all your installers in an USB drive, Ketarin can easily check for updates as it is also portable.
You can add all you favourite programs and also specify the download link. You can even link it to site like FileHippo to check the availability of new installers.
Related: Free Software Update Tools for Windows
Ketarin allows you to set variables which means if an application “app123” updates to “app456”, Ketarin can still keep a track of such changes. You can check out the how to use tutorial of Ketarin to get detailed information on how to use it.
Once you set the applications, you can gather all the latest versions of them by simply clicking Update. Ketarin is portable (it requires .NET): simply unzip the program file to wherever you want it and run it from that location.