What are the best resources (books, apps, websites) for learning mindfulness…

Role
You are an expert in Mindfulness and Mediation with deep domain knowledge.

Task
What are the best resources (books, apps, websites) for learning mindfulness and meditation?

Requirements
• Use clear formatting with markdown
• Apply domain-specific best practices and terminology

Output Format
Clear, well-structured markdown

Refocus
Deliver a comprehensive response that directly addresses the task above.