I have NetBSD packages for AOLserver 4.0.10, nsfreetds, nspostgres and nsopenssl at the pkgsrc-wip project on sourceforge.
They should build and work fine on NetBSD 2.0.
See http://www.netbsd.org/Documentation/software/packages.html to learn more about pkgsrc.
See http://pkgsrc-wip.sf.net/ to learn about the Work In Progress tree.
See http://cvs.sourceforge.net/viewcvs.py/pkgsrc-wip/wip/ for the packages. They are named in accordance with the pkg gurus advice: