Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Loxi - Easily add an events calendar to any website.
Mendeley - Easily organize your papers, read & annotate your PDFs, collaborate in private or open groups, and securely access your research from everywhere.
Event Calendar App - A simple, easy to manage, way of displaying events
Zotero - Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.
LaMetric Time - Internet-connected clock makes your space unique.