Micro habits: Self-Improvement app - Super charge your self-improvement journey with Micro habits
Mendeley - Easily organize your papers, read & annotate your PDFs, collaborate in private or open groups, and securely access your research from everywhere.
2 Minute Habits - Productivity app helps overcome procrastination in 2 minutes
Zotero - Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.
Habit Tracker OS - Take control of your habits and start achieving your goals
Qiqqa - Qiqqa is a free research and reference management software. It can be used in many organizational projects from the academic to the personal to the business endeavor. Read more about Qiqqa.