OPTIMA’s main goal is bringing Open Science ideas and practices to Ukrainian academia in order to boost academic integrity and transparency, which will positively influence the quality of National academic services and content. The project includes 3 specific objectives: 1. Introducing a new quality assurance mechanism – online open peer review platform for transparent research results evaluation at academic conferences in Ukrainian HEIs. 2. Foster EU-Ukrainian cooperation and internationalization of Ukrainian HEIs by building an international online virtual community of peer reviewers and researchers within the online peer review platform. 3. Raising awareness on academic integrity and Open Science, improvement of open practices and Open Science skills at Ukrainian HEIs and society at large through implementation of new subjects on open practices within modernised academic courses and open online course.