Open Cache Acceleration Software (Open CAS) is described as 'Open CAS interoperates with server memory to create a multilevel cache that optimizes the use of system memory and automatically determines the best cache level for active data, allowing applications to perform even faster than running fully on flash' and is an app. There are five alternatives to Open Cache Acceleration Software (Open CAS) for Windows and Linux. The best Open Cache Acceleration Software (Open CAS) alternative is PrimoCache. It's not free, so if you're looking for a free alternative, you could try Windows Storage Spaces or m/prefetch. Other great apps like Open Cache Acceleration Software (Open CAS) are GiMeSpace RAM Folder Pro and DymaxIO (ex. V-locity).