If you are looking for that "Iron Axe" style metal tone but don't have the budget for premium software, you are in luck. The market for high-quality free amp simulators has exploded in recent years. Here are the best free alternatives to achieve that heavy sound:
No major developer has released a plugin by that name. If you saw it on YouTube with a MediaFire or Mega link in description:
Audio Assault is known for making some of the heaviest plugins on the market.