ReSe Applications LLC is a specialized Swiss company focused on high-end processing of optical and thermal remote sensing data. The company is dedicated to the development of remote sensing software applications for pre-processing of multispectral and hyperspectral images. Over the last twenty years, ReSe has continued to advance the development of its premium range of software applications, delivering top-performing off-the-shelf solutions: for direct orthorectification with PARGE®, for atmospheric correction with ATCOR® and for radiometric processing with MODO. A special focus is on imaging spectroscopy including both, satellite and airborne imagery. With the software application DROACOR®, the company goes one step ahead in the area of drone imagery. DROACOR® is a new fully automatic drone based atmospheric correction and reflectance retrieval package suited for multispectral and hyperspectral image data sets. ReSe Applications LLC stands ready as ever to address new challenges and to deliver powerful solutions for processing improvements.