This inheritance list is sorted roughly, but not completely, alphabetically:

Csf::BlendMode	Blending modes for drawing
Csf::SoundStream::Chunk	Structure defining a chunk of audio data to stream
Csf::Clock	Utility class that measures the elapsed time
Csf::Color	Utility class for manipulating RGBA colors
Csf::ContextSettings	Structure defining the settings of the OpenGL context attached to a window
Csf::Shader::CurrentTextureType	Special type that can be passed to setParameter, and that represents the texture of the object being drawn
Csf::Drawable	Abstract base class for objects that can be drawn to a render target
Csf::Shape	Base class for textured shapes with outline
Csf::CircleShape	Specialized shape representing a circle
Csf::ConvexShape	Specialized shape representing a convex polygon
Csf::RectangleShape	Specialized shape representing a rectangle
Csf::Sprite	Drawable representation of a texture, with its own transformations, color, etc
Csf::Text	Graphical text that can be drawn to a render target
Csf::VertexArray	Define a set of one or more 2D primitives
Csf::Event	Defines a system event and its parameters
Csf::Font	Class for loading and manipulating character fonts
Csf::GlResource	Base class for classes that require an OpenGL context
Csf::Context	Class holding a valid drawing context
Csf::Shader	Shader class (vertex and fragment)
Csf::Texture	Image living on the graphics card that can be used for drawing
Csf::Window	Window that serves as a target for OpenGL rendering
Csf::RenderWindow	Window that can serve as a target for 2D drawing
Csf::Glyph	Structure describing a glyph
Csf::Joystick::Identification	Structure holding a joystick's identification
Csf::Image	Class for loading, manipulating and saving images
Csf::Font::Info	Holds various information about a font
Csf::InputStream	Abstract class for custom file input streams
Csf::IpAddress	Encapsulate an IPv4 network address
Csf::Joystick	Give access to the real-time state of the joysticks
Csf::Event::JoystickButtonEvent	Joystick buttons events parameters (JoystickButtonPressed, JoystickButtonReleased)
Csf::Event::JoystickConnectEvent	Joystick connection events parameters (JoystickConnected, JoystickDisconnected)
Csf::Event::JoystickMoveEvent	Joystick axis move event parameters (JoystickMoved)
Csf::Keyboard	Give access to the real-time state of the keyboard
Csf::Event::KeyEvent	Keyboard event parameters (KeyPressed, KeyReleased)
Csf::Listener	The audio listener is the point in the scene from where all the sounds are heard
Csf::Mouse	Give access to the real-time state of the mouse
Csf::Event::MouseButtonEvent	Mouse buttons events parameters (MouseButtonPressed, MouseButtonReleased)
Csf::Event::MouseMoveEvent	Mouse move event parameters (MouseMoved)
Csf::Event::MouseWheelEvent	Mouse wheel events parameters (MouseWheelMoved)
Csf::NonCopyable	Utility class that makes any derived class non-copyable
Csf::Context	Class holding a valid drawing context
Csf::Ftp	A FTP client
Csf::Http	A HTTP client
Csf::Lock	Automatic wrapper for locking and unlocking mutexes
Csf::Mutex	Blocks concurrent access to shared resources from multiple threads
Csf::RenderTarget	Base class for all render targets (window, texture, ...)
Csf::RenderTexture	Target for off-screen 2D rendering into a texture
Csf::RenderWindow	Window that can serve as a target for 2D drawing
Csf::Shader	Shader class (vertex and fragment)
Csf::Socket	Base class for all the socket types
Csf::TcpListener	Socket that listens to new TCP connections
Csf::TcpSocket	Specialized socket using the TCP protocol
Csf::UdpSocket	Specialized socket using the UDP protocol
Csf::Thread	Utility class to manipulate threads
Csf::ThreadLocal	Defines variables with thread-local storage
Csf::ThreadLocalPtr< T >	Pointer to a thread-local variable
Csf::Window	Window that serves as a target for OpenGL rendering
Csf::Packet	Utility class to build blocks of data to transfer over the network
Csf::Rect< T >	Utility class for manipulating 2D axis aligned rectangles
Csf::RenderStates	Define the states used for drawing to a RenderTarget
Csf::Http::Request	Define a HTTP request
Csf::Ftp::Response	Define a FTP response
Csf::Ftp::DirectoryResponse	Specialization of FTP response returning a directory
Csf::Ftp::ListingResponse	Specialization of FTP response returning a filename listing
Csf::Http::Response	Define a HTTP response
Csf::Sensor	Give access to the real-time state of the sensors
Csf::Event::SensorEvent	Sensor event parameters (SensorChanged)
Csf::Event::SizeEvent	Size events parameters (Resized)
Csf::SocketSelector	Multiplexer that allows to read from multiple sockets
Csf::SoundBuffer	Storage for audio samples defining a sound
Csf::SoundRecorder	Abstract base class for capturing sound data
Csf::SoundBufferRecorder	Specialized SoundRecorder which stores the captured audio data into a sound buffer
Csf::SoundSource	Base class defining a sound's properties
Csf::Sound	Regular sound that can be played in the audio environment
Csf::SoundStream	Abstract base class for streamed audio sources
Csf::Music	Streamed music played from an audio file
Csf::String	Utility string class that automatically handles conversions between types and encodings
Csf::Event::TextEvent	Text event parameters (TextEntered)
Csf::Time	Represents a time value
Csf::Touch	Give access to the real-time state of the touches
Csf::Event::TouchEvent	Touch events parameters (TouchBegan, TouchMoved, TouchEnded)
Csf::Transform	Define a 3x3 transform matrix
Csf::Transformable	Decomposed transform defined by a position, a rotation and a scale
Csf::Shape	Base class for textured shapes with outline
Csf::Sprite	Drawable representation of a texture, with its own transformations, color, etc
Csf::Text	Graphical text that can be drawn to a render target
Csf::Utf< N >	Utility class providing generic functions for UTF conversions
Csf::Utf< 16 >	Specialization of the Utf template for UTF-16
Csf::Utf< 32 >	Specialization of the Utf template for UTF-32
Csf::Utf< 8 >	Specialization of the Utf template for UTF-8
Csf::Vector2< T >	Utility template class for manipulating 2-dimensional vectors
Csf::Vector3< T >	Utility template class for manipulating 3-dimensional vectors
Csf::Vertex	Define a point with color and texture coordinates
Csf::VideoMode	VideoMode defines a video mode (width, height, bpp)
Csf::View	2D camera that defines what region is shown on screen