The National Center for Biotechnology Information (NCBI) develops and maintains molecular and bibliographic databases as a part of the National Library of Medicine (NLM). They do not generate their own data, but they do:

• Receive data submissions from researchers
• Develop software for searching, and analysis of these data
• Provide a web access point for the data and software

myNCBI lets users save searches, filters, and view preferences for all of the NCBI databases, including PubMed.