Your first step is to download weborf's source code.
Then you will have to compile it.
But weborf was succesfully compiled and executed on:
To compile on opensolaris, it is necessary to:
Delete the lines beginning with CFLAGS and LDFLAGS
Uncomment CFLAGS and LDFLAGS for OpenSolaris (search for the OpenSolaris string, and they are right above it)
Save the Makefile
Compile as usual
If there are problems it is possible to report them, but don't expect to receive fast support.