The oFusion provides a huge set of features, you can see them in detail in
each component's documentation.

Here are some general max scene support features:

Mesh support:

Object Meshes
    Vertices
    Faces
    SubMeshes/SubEntities
    Vertex color
    Vertex alpha value
    Normals
    Smoothing Groups
    Multiple UVs (Texture Coordinates)
    Material IDs
    Primitives
    Skeletal animation

Multi/Sub Meshes
Vertex colors
Alpha vertex value
Multiple UV channels
Construct Tangent Vectors, useful in gpu shaders, normal mapping
Build Edge Lists, needed for Shadow support
Auto LOD generation, an optimization feature used to improve the rendering
speed and the cpu/gpu load based on object's distance

Material support:

Special Ogre Material
Standard material
    Ambient color
    Diffuse color
    Specular color
    Self-illumination value/color
    Diffuse texture map
    Self-illumination texture map
    Glossiness
    Specular level
    "2-Sided" property

Blend material
Shell material ( i.e. baked lightmaps)
Support for texture baker (Render to Texture)
Multi/Sub-Object material
Multiple materials per object
Bitmap Texturemap
    Texture file
    Map channel
    Offset UV
    Tiling UV
    Mirror
    Tile
    Rotate UVW
    Alpha Source (Image alpha

Animation support:

Skinned animation
Physique support
Biped support
Skin modifier
Standard Max bones
C.A.T 1 (Character Animation Toolkit)
C.A.T 2 (WIP)
Object animation
Keyframed motion
Support for any controller type
Unlimited number of animation sets in the same scene
Animation optimizer
Keyframe reductor

Scene support:

Cameras
    Free Camera
    Target Camera
    FOV
    Near clip plane
    Far clip plane

Lights
    Omni
    Target Spot
    Free Spot
    Target Direct
    Free Direct
    Color
    On/Off attribute
    Cast Shadows On attribute
    Hotspot/Beam (Spot lights)
    Falloff/Field (Spot lights)
    Intensity multiplier

Nodes
    Position
    Rotation
    Scale
    Parent node
    Child Nodes

Hierarchy
Animations
    Light animation
    Camera animation
    Node animation

Custom Data
    Custom User Object Data

Shadows
Skies

Gpu Shader Support:

CG and HLSL support
Vertex Programs (Shaders)
Fragment Programs (Shaders)
Code Editor with syntax highlight
Parameter Editor

See each component page for full features description.