Pentium Pro Optimized BLAS and FFTs for Intel Linux (not available right now, but a dual proc library is planned for 5/27/98, see Blas News for details)
The Portland Group, Inc., supports the OpenMP standard for Fortran parallelization on Linux
Pacific-Sierra Research Corporation, has a free F90 compiler for Linux, as well as parallelizing compilers for SMP Linux
Applied Parallel Research, currently have parallelizing compilers for WinNT
KAI has a C++-Compiler for Linux, that understands OpenMPI. It is called Guide_OpenMP. Info under http://www.kai.com/parallel/kappro/guide. (Gero Wedemann)