New to LBM and OpenLB? Attend our upcoming one-week hands-on Spring School in Marseille/France from 19.05.2025 – 23.05.2025. OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › gnuplot is not found › Reply To: gnuplot is not found January 16, 2021 at 4:52 pm #5443 mathiasKeymaster You need to install gnuplot first.