Mendeley is a free citation manager that can read, organize, & cite all of your sources. It also has tools to help you connect to other researchers; store, share, & cite datasets; & search for STEM jobs. It is available through major web browsers; as a standalone program compatible with Windows, Mac, and Linux; and as an Android or iOS app. With Mendeley, you can:
When you initially create your Mendeley account, you will be prompted to download the desktop application.
There are options for Mac, Windows, and Linux operating systems.
If the button to download doesn't appear: