BibDesk is an application used to edit and manage your bibliography, it is developed as an open source project and available free of charge. Using BibDesk you can find and manage your references, import and export database. This essay will show you the importing steps.
Guide on importing a database from Endnote to BibDesk
1. Download and install
Download BibDesk application and install it correctly, then run the programe.
2. Select BibTeX style
Select the BibTeX style (in Endnote 9, the current style is in the toolbar - click on it, select "Select Another Style", and choose "BibTeX Export").
3. Save the file with a .bib
Select File->Export, save file as type Text Only, make sure "Export Selected References" is unchecked if you want to save all the references in your file. Then save the file, and rename the file with a .bib extension in the Finder.
4. Save file under a new name
Open BibDesk and select File->Open Using Temporary Cite Keys. After it opens, it is recommended to generate cite keys to replace the temporary ones. Then select File->Save As (cmd-shift-S) and save the file under a new file name.
Note: Open Using Temporary Cite Keys creates a temporary file, so if you cannot just use File->Save (cmd-S) to save the file.