Zapier is a workflow automation software that allows users to connect various apps and automate processes, known as Zaps. This helps freelancers and businesses track time accurately, enhance productivity, bill clients correctly, and manage teams more efficiently. With Zapier, users can create pre-made workflows called Zaps to automate tasks such as tracking meeting times, creating invoices, and managing projects. These Zaps can be customized to fit individual needs, and Zapier works with thousands of apps, making it a versatile tool for businesses and freelancers alike.