C++ compilers / IDE's and libraries

[KBleivik]

http://www.openwatcom.org/

http://www.bloodshed.net/devcpp.html

http://www.digitalmars.com/

http://www.codeblocks.org/

http://gcc.gnu.org/

Other:

http://www.thefreecountry.com/compilers/cpp.shtml

http://www.cplusplus.com/forum/windows/663/

Search engine query: free c++ compilers

http://www.boost.org/

http://www.oonumerics.org/blitz/