BuilderTrend, BuildXact, BuildBook, JobTread, and CoConstruct are the ones that come to mind, and I know I missed at least one major/notable package.
Searching here for the ones I listed should also turn up a couple or more threads to give you some ideas of what is liked and disliked about them.
Searching here for the ones I listed should also turn up a couple or more threads to give you some ideas of what is liked and disliked about them.