Apps with 'Continuous updating' feature
JDownloader is a download manager, written in Java, which allows automatic download of groups of files from one-click hosting sites. JDownloader supports the use of premium accounts. Some parts, but not all, of JDownloader are open-source.
Bundleware
The installer contains bundled adware. Be careful during the installation: https://alternativeto.net/discussions/applications/11718/be-careful-in-the-installation/