Q:

nudged elastic band with Turbomole

Is there any free / open source solution to search for the minimum energy path with the nudged elastic band method in combination with the Turbomole Package?

A:

Yes.  ASE (GPL) supports both Turbomole (https://wiki.fysik.dtu.dk/ase/ase/calculators/turbomole.html) and NEB (https://wiki.fysik.dtu.dk/ase/ase/neb.html).

