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

Expedia - Save up to 60% with Expedia Mobile Exclusive hotel deals!

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

Booking.com - Find your next stay. Search deals on hotels, homes, and much more...

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

Tripadvisor - The Tripadvisor mobile app is available for the Android and iOS platforms. It can be used to create reviews of hotels, restaurants, and to chat with other travelers on Tripadvisor forums.