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

Tomato Timer - TomatoTimer is a flexible and easy to use online Pomodoro Technique Timer

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

YAPA - Pomodoro timer

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

focus booster - focus booster is a simple timer application following the 'Pomodoro technique' for time...