Is there software for Samsung M610?

I've been looking for software that could improve my contacts
management. I really don't like the limited options that come
preloaded. For example, on my older Nokia phone, I can edit labels,
and call them anything I want. On the Samsung, I only have the
choices of home, mobile, work, pager and other. Not having any
options makes me have to enter 4 contacts instead of one, if I want to
enter someone's specific name or title in the same office, etc. Also,
there are no fields for address, notes, url. I can't believe how
primitive this is.

Help!!! :)