GridRepublic is described as 'Customized version of the BOINC software designed to simplify installation and participation by the average computer user' and is an app in the education & reference category. There are more than 10 alternatives to GridRepublic for a variety of platforms, including Linux, Mac, Windows, Web-based and Android apps. The best GridRepublic alternative is BOINC, which is both free and Open Source. Other great apps like GridRepublic are Apache Mesos, Charity Engine, Folding@home and Foldit.
DIET is a software for grid-computing. As middleware, DIET sits between the operating system (which handles the details of the hardware) and the application software (which deals with the specific computational task at hand).
