If of interest to anyone here, my company has built an open source software library for transcranial focused ultrasound stimulation: https://github.com/agencyenterprise/neurotechdevkit

Its goal is to accelerate the development of agency-increasing neurotechnology and lower the barrier of entry for any developers to be able to solve open problems in neurotech without having to have their own hardware or human subjects. It's starting with ultrasound, which we find quite promising, and we hope to expand in the future to other areas as well.