SC-REX stands for "SCheduler for REconfigurable devices on linuX". It is a scheduler for heterogeneous multicore platforms where some cores can be dynamically reconfigured at run-time (e.g., VLIWs processors that can change issue width).
REX: Remote EXecution Distributed Computing Services for Linux and Solaris,
providing C and C++ APIs, librex library and "rexd" daemon software to implement
Load Balancing Process Migration : Dump + Restore, Remote File and Resource Management.