The quantity, research topics, and growth rates are assessed for Russian scholarly papers published in open-access megajournals. Russian papers published in PLoS ONE in 2006–2019 are analyzed on the basis of international scientometric indicators. The results are reported of the international coauthorship survey of Russian researchers to define its impact on citation indices. Affiliations are presented for authors with papers in megajournals. Funding of publication charges is discussed for Russian researchers who publish papers in open-access journals.