The Update Framework is described as '(TUF) helps developers maintain the security of software update systems, providing protection even against attackers that compromise the repository or signing keys. TUF provides a flexible framework and specification that developers can adopt into any' and is an app in the development category. There are four alternatives to The Update Framework for a variety of platforms, including Linux, Mac, Windows, Flathub and Microsoft Outlook apps. The best The Update Framework alternative is GnuPG, which is both free and Open Source. Other great apps like The Update Framework are GPG4Win, Lock GnuPG and Pareto Security.