Need Help Wireframing Our New Homepage For Our Designers

I'd like to come up with a simple homepage website layout (sometimes referred to as a wireframe). In the past we've used https://www.invisionapp.com but I'm open to other ideas as well (even if it's just a photoshop or illustrator file). Ideally it would be in something that we could easily update if we were to want to add sections or change our minds about something in the future.