libstlport5.1 5.1-0ubuntu1 (i386 binary) in ubuntu feisty

 STLport is a open-source, volunteer-driven project. Its goal is to
 build complete, multiplatform ANSI C++ Standard Library with SGI STL
 code base. From this base, it inherits the following advantages :
  + Advanced technology for maximum efficiency
  + Exception safety and thread safety
  + Standard compliance and reliability
  + Important extensions - hash tables, singly-linked list, rope
 .
  Homepage: http://www.stlport.org/