Included

• Curve Tools
• Extra Objects (both curve and mesh)
• Pose Library
• Import images as planes
• F2
• LoopTools
• Node Arrange
• Node Presets
• Node Wrangler
• Magic UV

External

• Weight Shaper [**$**29.99]
• Easy Weights
• Bonera
• CATS Blender Plugin (dev branch for latest Blender)
• RetopoFlow [Free for personal use]
• Quad Remesher [$59.90 for Indie license]
• Shape Key Transfer
• SKkeeper