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

KDE Itinerary - Digital travel assistant with a priority on protecting your privacy

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

JetRadar - Compare flights from hundreds of airlines & travel agencies

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

App in the Air - The perfect companion for everyone taking a flight.