Refbase is a web-based bibliographic manager which can import and export references in various formats (including BibTeX, Endnote, MODS XML, and OpenOffice). It can make formatted lists of citations and offers powerful searching, rich metadata, and RSS. Refbase can import and export references in various formats (including BibTeX, Endnote, RIS, PubMed, ISI Web of Science, CSA Illumina, RefWorks, MODS XML, ...
MyPHPBib is a web application for managing bibliographic references. It can import references in several formats (e.g., EndNote and RIS), as well as importing references directly from PubMed. MyPHPBib is written in PHP and uses MySQL as the database.