Here are the classes, structs, unions and interfaces with brief descriptions:

roboptim::AnthropomorphicCostFunction< T >
roboptim::CubicBSpline	Cubic B-Spline trajectory
DerivableFunction
roboptim::FreeTimeTrajectory< T >	Decorate a trajectory to make time scalable
roboptim::Freeze< P >	Add constraints that freeze parameters
roboptim::FrontalSpeed
roboptim::LimitOmega< T >
roboptim::LimitSpeed< T >
NTimesDerivableFunction
roboptim::OrthogonalSpeed
roboptim::visualization::gnuplot::detail::PlotLimitSpeed< T >
roboptim::visualization::gnuplot::detail::PlotTrajectory< T >
roboptim::SplineLength	Approximate the length of a Spline
roboptim::StablePointStateFunction< T >	Trajectory cost function defined by state evaluation at parameter
roboptim::StableTimePoint
roboptim::StateFunction< T >	Trajectory cost function defined by state evaluation at parameter
roboptim::TMax
roboptim::Trajectory< DerivabilityOrder >	Abstract trajectory
roboptim::TrajectoryCost< T >	Meta-function for trajectory cost
roboptim::TrajectorySumCost< T >	Trajectory cost function defined by sum of state evaluations at parameters