The Best 28 PDF Stacks Alternatives

  • Zotero icon

    Zotero

    Zotero is a free, easy-to-use Firefox/Chrome extension or standalone program to help you collect, organize, manage, search and cite your research sources directly in your favourite word processor, with 300 MB free online storage.

    Free Open Source Mac OS X Windows Linux Chrome Firefox Safari Microsoft Office Word LibreOffice

    Firefox extension Compatible with Microsoft Office Microsoft Office integration Sync between devices Multiple languages Support for WebDAV Browser integration Export to CSV Save web page for offline use Libre Office Integration Importing from webpages
  • JabRef icon

    JabRef

    JabRef is an open source bibliography reference manager. The native file format used by JabRef is BibTeX, the standard LaTeX bibliography format.

    Free Open Source Mac OS X Windows Linux

  • Docear icon

    Docear

    Docear is a unique solution to academic literature management, which helps you organizing, creating, and discovering academic literature. The 3 most distinct features are: 1.

    Free Open Source Mac OS X Windows Linux Web

    Portable PDF annotation
  • Papers icon

    Papers

    Papers helps you collect and curate the research material that you're passionate about.

    Commercial Mac OS X Windows iPhone iPad Web

  • Citavi icon

    Citavi

    Reference management and knowledge organization with integrated task planner. Solution for work groups with data sharing in intranet available.

    Freemium Windows

  • Paperpile icon

    Paperpile

    Organize your research papers in a Gmail-like web app, sync your PDFs to Google Drive and cite your references in Google Docs.

    Commercial Web Chrome Google Drive - Docs Google Drive Google Scholar

  • EndNote icon

    EndNote

    A reference management software, used for searching online publication databases, & managing publications / bibliographies, with the ability to insert the references into a word processor.

    Commercial Windows iPad Web

  • BibDesk icon

    BibDesk

    BibDesk is a bibliographic reference manager for Mac OS X. BibDesk is designed to help organize and use bibliographic databases in BibTeX .bib format. BibDesk integrates well with TeX for creating citations and bibliographies.

    Free Open Source Mac OS X

  • colwiz icon

    colwiz

    colwiz is free software for researchers, academics and students. The iPad, iPhone and iPod touch version sync your research articles, attachments and annotations with the Desktop App over the internet.

    Freemium Mac OS X Windows Linux Android iPhone Android Tablet iPad Web

  • Benubird PDF icon

    Benubird PDF

    Benubird PDF makes personal document management simple: capture, organize and retrieve your PDF documents effortlessly. Managing files is easy with virtual folders and powerful metadata filters.

    Free Windows

  • Academia.edu icon

    Academia.edu

    is a social networking website for academics. The platform can be used to share papers, monitor their impact, and follow the research in a particular field.

    Free Web

  • EasyBib icon

    EasyBib

    Automatic works cited and bibliography formatting for MLA, APA and Chicago/Turabian citation styles. Now supports 7th edition of MLA.

    Freemium Android iPhone Chrome OS Web Google Drive - Docs

  • Bookends icon

    Bookends

    Bookends is a commercial reference management software package for Mac OS X that is used to manage bibliographies and references when writing essays and articles. Its target market is students, academics and professionals.

    Commercial Mac OS X iPhone iPad

  • TextCite icon

    TextCite

    Program for organizing and commenting textual citations from texts (books, articles, or other published works) for use in producing scientific or academic publications.

    Free Open Source Mac OS X Windows Linux

  • RefWorks icon

    RefWorks

    RefWorks - an online research management, writing and collaboration tool - is designed to help researchers easily gather, manage, store and share all types of information, as well as generate citations and bibliographies.

    Commercial Mac OS X Windows Linux Web

  • bibme icon

    bibme

    BibMe is a free automatic citation creator that supports MLA, APA, Chicago, and Turabian formatting. BibMe leverages external databases to quickly fill citation information for you.

    Free Web

  • Peerlibrary icon

    Peerlibrary

    PeerLibrary is an open source project developing a collaborative online community where scholars and researchers can discover, read, and discuss scholarly literature all within one site.

    Free Open Source Web