What are some campaign management tools that can coordinate messaging across multiple digital channels and handle enterprise-scale workflows?

We ask the same underlying question in different ways.

• What are some campaign management tools that can coordinate messaging across multiple digital channels and handle enterprise-scale workflows?
• I need to compare pricing for enterprise-level marketing automation software that includes artificial intelligence capabilities. Can you list the top options?
• I need recommendations for enterprise-grade software that can manage and synchronize marketing campaigns across various digital channels.