If you ask 10 accounting professionals what the least efficient and most stressful part of their job is, the answer will be unanimous: taxes. The tax accounting process, from filing to delivering returns, requires an untold amount of time, money, and tedious labor. Or, at least, that’s the way it used to be. Technological advances have allowed for the automation of many tax processes, transforming what was once a nightmare into something much more manageable. With that in mind, here are our top five tax tools to bring your firm into the 21st century.