There are many different citation managers. In this guide, we will concentrate on two of them, EndNote, a proprietary programme, and Zotero, a free and open source programme with many advantages. Both work on Mac and PC.
The best way to know which one best suits your needs is probably to test them. Zotero can be downloaded free of charge, and there is a 30-day free trial period for EndNote. If you change your mind, it is always possible to transfer your database (which by the way is called a "library") to another programme.
Here is a small selection of Web pages comparing citation managers:
EndNote (desktop version) and Zotero are both good citation managers, but they have slightly different features, and for some users, certain details can be essential.
EndNote is slightly more sophisticated, with some features not available in Zotero:
Zotero has also many advantages: