From Google’s English:  Abstract:  The development of open science initiatives, the emergence of an increasing number of resources in open access (digital collections, institutional repositories, open educational resources, scientific data, etc.), changing information needs and preferences of users – the “sword of Damocles” for libraries, the threat of remaining unclaimed in the information providing science and education. The purpose of the study is to determine the awareness of librarians about international open access resources (ROA) and their role in the development of library and information products and services. The composition of ROD, the experience of libraries in creating ROD navigators, the level of awareness of Russian librarians about the 50 largest ROD, structured by types of documents (books and articles, dissertations, preprints, data sets, educational materials, patents and standards, encyclopedias and dictionaries, scientific information search systems). The problems associated with the mastery of scientific libraries by the world’s ROD are identified, interest, desire for learning and understanding of the importance of the practical application of ROD in library and information services are noted. The results of the study show that libraries can form their value in the information ROD market, become a necessary component of the modern information ecosystem of science: promote the use and promotion of ROD, provide high-quality library and information services and services; assist in the management of scientific content, the search for various types of documents; to carry out subject-oriented training and consulting of users. associated with the mastery of scientific libraries by the world’s RDA, the interest, desire for learning and understanding of the importance of the practical application of RPA in library and information services were noted. The results of the study show that libraries can form their value in the information ROD market, become a necessary component of the modern information ecosystem of science: promote the use and promotion of ROD, provide high-quality library and information services and services; assist in the management of scientific content, the search for various types of documents; to carry out subject-oriented training and consulting of users. associated with the mastery of scientific libraries by the world’s RDA, the interest, desire for learning and understanding of the importance of the practical application of RPA in library and information services were noted. The results of the study show that libraries can form their value in the information ROD market, become a necessary component of the modern information ecosystem of science: promote the use and promotion of ROD, provide high-quality library and information services and services; assist in the management of scientific content, the search for various types of documents; to carry out subject-oriented training and consulting of users. the desire for learning and understanding the importance of the practical application of RDA in library and information services. The results of the study show that libraries can form their value in the information ROD market, become a necessary component of the modern information ecosystem of science: promote the use and promotion of ROD, provide high-quality library and information services and services; assist in the management of scientific content, the search for various types of documents; to carry out subject-oriented training and consulting of users. the desire for learning and understanding the importance of the practical application of RDA in library and information services. The results of the study show that libraries can form their value in the information ROD market, become a necessary component of the modern information ecosystem of science: promote the use and promotion of ROD, provide high-quality library and information services and services; assist in the management of scientific content, the search for various types of documents; to carry out subject-oriented training and consulting of users. provide high-quality library and information services and services; assist in the management of scientific content, the search for various types of documents; to carry out subject-oriented training and consulting of users. provide high-quality library and information services and services; assist in the management of scientific content, the search for various types of documents; to carry out subject-oriented training and consulting of users.