有了APK Downloader，那就可以直接下载Google Play中的应用APK文件。
Slogan: Zotero – Your personal research assistant
Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.
Available for Mac, Windows, and Linux
Collect with a click.
Zotero is the only software that automatically senses research on the web. Need an article from JSTOR or a preprint from arXiv.org? A news story from the New York Times or a book from a library? Zotero has you covered, everywhere.
Organize your way.
Zotero helps you organize your research any way you want. You can sort items into collections and tag them with keywords. Or create saved searches that automatically fill with relevant materials as you work.
Cite in style.
Zotero instantly creates references and bibliographies for any text editor, and directly inside Word and LibreOffice. With support for over 8,000 citation styles, you can format your work to match any style guide or publication.
Stay in sync.
Zotero can optionally synchronize your data across devices, keeping your notes, files, and bibliographic records seamlessly up to date. If you decide to sync, you can also always access your research from any web browser.
Zotero lets you freely collaborate with fellow researchers and distribute class materials to your students. With no restrictions on membership, you can share your Zotero library in public or in private.
Ready to try Zotero?
Zotero is a project of the Corporation for Digital Scholarship and the Roy Rosenzweig Center for History and New Media. It was initially funded by the Andrew W. Mellon Foundation, the Institute of Museum and Library Services, and the Alfred P. Sloan Foundation.