Todoist - Todoist is a to-do list that helps you get organized, at work and in life.

Weighlos - Lose weight together - It has never been that easy!

Mendeley - Easily organize your papers, read & annotate your PDFs, collaborate in private or open groups, and securely access your research from everywhere.

Goalee - Keep track of your life's goals

Zotero - Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.

Nach - Plan out your life's goals, and start becoming more productive with Nach - the supercharged to-do list app, available on your computer, phone, tablet and web.