This book constitutes the refereed post proceedings of the 19th International Conference on Software Technologies, ICSOFT 2024, held in Dijon, France, during July 8–10, 2024.The 12 full papers and 7 short papers included in this book were carefully reviewed and selected from 93 submissions. They were organized into topical sections as follows: Software Engineering and Systems Development; Software Systems and Applications; and Foundational and Trigger Technologies.