ScaleMP and TidalScale have settled all litigation between them.

ScaleMP specializes in virtualization for high-end computing. Its Versatile SMP (vSMP) architecture provides software-defined computing and software-defined memory by aggregating multiple independent systems or high-performance SSDs into single virtual systems.
TidalScale specializes in Software-Defined Servers that deliver in-memory performance at any scale, are self-optimizing, use standard hardware and are compatible with all applications and operating systems.