Workona - A better way to work in the browser.
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Go to Tab - Manage your chrome tabs easily when you're multitasking
Mendeley - Easily organize your papers, read & annotate your PDFs, collaborate in private or open groups, and securely access your research from everywhere.
Tabbie - The missing tab manager for Chrome
BibDesk - BibDesk is an organizational software created to help you edit and manage your bibliography. It keeps track of your bibliographic information as well as said information's associated web links and files. Read more about BibDesk.