echo "I'm run first" && echo "I'm run second"
It's not free actually. From their page:
Try RenderPal it's free and does a great job been using it for years and can highly recommend it.
Here you can download free, fully functional evaluation versions of RenderPal V2. The trial period is limited to 30 days; after this, you will either have to purchase a license or register for a free 3 nodes license in order to continue using RenderPal V2.