Third Person Elytra
With 1.9 and the new Elytra, I found it was way more fun to fly in Third Person, but didn't want to have to manually toggle between first and third person every time I wanted to fly. This is a client side mod that does just that, when using the elytra, it will automatically switch you into third person to enjoy flying. When you land, it will put you back into whatever mode you were in. Works client side, so you can even use on vanilla servers.