Mendeley is a free reference manager and academic social network that can help you organize your research, collaborate with others online, and discover the latest research.
Mendeley: For more information and/or to create your Mendeley profile
The Mendeley Help Guide provides step-by-step assistance for creating and managing Mendeley Groups
This video will show you how to create private groups in Mendeley, a brand of citation management software. You will also learn how to add files to private groups and categorize files in private groups.
21 February 2021
Zotero is a free, easy-to-use tool to help you collect, organize, annotate, cite, and share research 
Collaborate freely. Zotero lets you co-write a paper with a colleague, distribute course materials to students, or build a collaborative bibliography. You can share a Zotero library with as many people you like, at no cost.
Zotero is open source and developed by an independent, nonprofit organization that has no financial interest in your private information. With Zotero, you always stay in control of your own data.
With groups, you can collaborate remotely with project members, set up web-based bibliographies for classes you teach, and so much more.
This video shows how to set up and manage group libraries in Zotero for collaborative work and sharing references.
25th October 2019