The Scientific Meal Planner - Free meal plans optimally balanced for health and longevity

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

Mealime - Meal planning app with healthy meal plans

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

Whisk Meal Planner - Make a meal plan

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