THELMA is an advanced electromagnetic simulation code, originally developed and validated for fusion applications such as ITER, where it enables accurate prediction of current distribution and AC losses in superconducting cables and joints. Its robust modeling capabilities and proven reliability make it a valuable tool for optimizing the design and safety of superconducting magnet systems, and it can be adapted for use in other sectors that employ superconducting magnets, such as medical accelerators and proton therapy gantries. Collaboration opportunities include joint R&D, model customization, and technology transfer.