Providing direct open access to its content on the principle that making research freely available to the public supports greater global knowledge exchange;
Allows the author to hold copyright and maintain publishing rights without restrictions;
Deposit content with long-term digital preservation or filing programs;
Use DOI as a permanent identifier;
Include machine-readable CC license information in the article;
Allowing reuse and mixing content generously, according to the CC BY-SA license;
Can Provide Provides article-level metadata for indexers and aggregators
Has a deposit policy that is registered with the registry deposit policy, e.g. Garuda