https://blendermarket.com/products/electrify-quick-lightning

Electrify - Quick Lightning  Generate an amazing customizable lightning with just one click of a button!   Add the finishing touch to your scene with this easy-to-use lightning generator. Any type of electrical object will come to life with just one click.  It's flexible, customizable, animatable and procedural. Thanks to many parameters and control objects you can animate the lightning objects exactly as you want. Plus, you can spawn as many of them as you want.