The 3rd International Conference on Open Science and Innovation in Ukraine will feature a comprehensive program including keynote speeches, panel discussions, workshops, and presentations by renowned researchers, industry leaders, and policymakers. The conference sections have been meticulously designed in alignment with the National Action Plan for Open Science, covering topics such as the development of national open research infrastructure, reforming practices of scientific research evaluation, ensuring open access to research results, open research data and reproducibility of scientific research, citizen science, and innovation in Ukraine.