Chaos Intellect is our next-generation email client AND contact manager, all in one great program! We'll give you five good reasons to switch from your old email client and make Intellect your email program of choice! If you are looking for a contact manager without email built-in, we also make.Chaos Intellect: Business email client and contact manager. Our newest addition to our product line has been a big hit since its release and is ready for Vista! Read on to see what the buzz is about or read Chaos Intellect email client testimonials from actual users.