Zotero

Zotero comes with only a few bibliographic styles, but many more are available to download. It can also import any of the 3000+ styles available for EndNote. Request custom styles at the Zotero forums.

To import an EndNote style to Zotero:

1. Go to the EndNote styles page and download the style you want.
2. Open Zotero.  Click the gear button and choose Preferences.
3. Click the Styles button.
4. Click the + button at the bottom right.
5. Select the style file you saved in step 1.