The Classes from LCF5900 - Open and Reproducible Processing of Scientific Data aims to introduce the concept of Open Science, which consists of providing scientific data, information and methods in an open and reproducible way, for other researchers and the community as a whole. For this purpose, many concepts, tools and procedures have been presented during the classes, in order to ensure the transparency, reliability and reproducibility of technological and scientific research. The results of my work on Open and reproduzible scientific data processing (2025 edition) is summarized in the table bellow.