Boxer HEL/"Jupiter" that is being tested jointly developed and by the Netherlands (energy storage and cooling systems) and Germany (effector). The laser is based on the system that has been tested on the Sachsen-class frigates, but operates at a lower power (10 kW) to reduce energy consumption.
https://defence-network.com/jupiter-gtk-boxer-mit-laserwaffe/
Rheinmetall had already presented a first HEL effector on Boxer (with just 5 kW output) back in 2013.