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

Bookmarked - Create, share, and browse curated bookmark collections.

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

Trello Bookmark - Store your bookmarks as Trello Cards

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.

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