As per the Budapest, Berlin and Bethesda declarations the definitions of open access in the scientific literature
We at the The Progress Journals defines open access by the following conditions:
Peer-reviewed literature is freely available without subscription or price barriers. Literature is immediately released in open access format (no embargo period). Published material can be re-used without obtaining permission as long as a correct citation to the original publication is given.
We at The Progress have started to publish articles from year 2021 and "Reproduction is permitted for noncommercial purposes This means that all articles published in The Progress journals, including data, graphics, and supplements, can be linked from external sources, scanned by search engines, re-used by text mining applications or websites, blogs, etc. free of charge under the sole condition of proper accreditation of the source and original publisher. The Progress believes that open access publishing fosters the exchange of research results amongst scientists from different disciplines, thus facilitating interdisciplinary research. Open access publishing also provides access to research results to researchers worldwide, including those from developing countries and an interested general public.
Although The Progress publishes all of its journals under the open-access model, we believe that open access is an enriching part of the scholarly communication process that can and should co-exist with other forms of communication and publication, such as society-based publishing and conferencing activities.
Important Note: some articles (especially Reviews) may contain figures, tables or text taken from other publications, for which The Progress Journals does not hold the copyright or the right to re-license the published material. Please note that the new author should inquire whether to use this material with the original author.
Advantages of Open Access for Authors the High Availability and Visibility of our open access articles is guaranteed through the free and unlimited accessibility of the publication over the Internet. Everyone can freely access and download the full text of all articles published with The Progress Journals: readers of open access journals, i.e., other researchers, do not need to pay any subscription or pay-per-view charges to read articles published by The Progress Journals. Open access publications are also more likely to be included in search engines and indexing databases.
The Higher Citation Impact of open access articles results from their high publicity and availability. Open access publications are demonstrably more frequently cited.
Lower Publishing Costs: Open access publishers cover their costs for editorial handling and editing a paper by charging authors' institutes or research funding agencies.
Faster Publication in The Progress Journals open access journals is achieved by online-only availability.