Quantum molecular dynamics simulations provide extremely detailed information on the real-time evolution of molecular electron-nuclear systems, which are subject, for instance, to photo-excitation and nonadiabatic effects. There exist various flavors of simulation techniques used to propagate nuclear dynamics under the effect of electrons in the ground state as well as in the excited states . Those techniques range from wavepacket propagations with time-independent and time-dependent basis sets , to trajectory-guided, or trajectory-based, methods that employ (quasi-)classical, semi-classical or quantum trajectories. While the computational cost for solving the timedependent Schrödinger equation numerically exactly scales exponentially with the number of degrees of freedom, the problem can be mitigated with suitable choices of sparse grids and associated basis sets for purely quantum techniques or by introducing a classical-like description of the nuclei while maintaining a quantum perspective on the electronic degrees of freedom.