In addition they offered to make their database and technology, archived in a MySQL database (multithreaded, multi-user structured query language database management system) available to any organization that would continue its mission of making the information searchable for free.
Since version 3.60 (August 2006), WinRAR includes a multithreaded version of the compression algorithm, which improves compression speed on systems with multiple, dual-core, or Hyper-threading-enabled CPUs.