Mendeley - Easily organize your papers, read & annotate your PDFs, collaborate in private or open groups, and securely access your research from everywhere.
Purp - A smart to-do list and goal tracker app
Zotero - Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.
Byozo - A goal tracker for the ambitious 👑
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.
Streaky - Achieve daily goals and build your personal streak 🔥