RaySearch Laboratories, founded in 2000 and based in Sweden, operates within the healthcare software sector, specifically focusing on solutions for medical dosimetry and treatment planning in radiation therapy. The company's primary product, RayStation, is a treatment planning system that supports advanced techniques such as scanned proton beam therapy. Recent publications highlight the system's capabilities in robust optimization, 4D optimization, and the integration of deep learning for automated planning. The technical report discusses various algorithms implemented in RayStation, including energy layer and spot selection, Monte Carlo dose calculations, and tools for plan evaluation, emphasizing the software's adaptability to complex treatment scenarios. RaySearch Laboratories employs between 201 and 500 individuals and generates revenue in the range of $100 million, reflecting its established presence in the healthcare software market. The company's focus on innovation in treatment planning underscores its commitment to enhancing the efficacy of proton therapy and improving patient outcomes in radiation treatment.