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

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

Tasklog App - Tasklog App is an agile productivity software designed to meet the needs of current world freelancers.

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

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

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