Apps similar to Qiqqa include Zotero, which is open source with a free version. Other options are Mendeley, JabRef, DEVONthink and EndNote. There's no shortage of Research Managers like Qiqqa, with more than 50 alternatives for the web, Mac, Windows, Linux and iPhone.
DeepDyve is the company behind LitHub, an AI-powered literature-management platform offering researchers affordable, publisher-licensed access to scientific, technical, and medical research. Users can read 35M+ paywalled and 25M+ open-access papers and search a discovery index...
UbikReader is the new way to organize your documents. Multitask while you read, annotate, write notes and share your documents with ease. No more worrying about how to manage your large, cluttered library of documents.
United States
Local full featured notes (text, md, rich, spreadsheet, draw) that sit next to the PDFs and Office files you already have, without rewriting them.
A lightweight, elegant reference manager. Organize your library, extract annotations from PDFs, auto-enrich metadata, and export BibTeX or RIS — your data stays locally.
China
PDF Annotator is a powerful program that allows users to make a variety of different kinds of notes on PDF documents. PDF Annotator lets the user open any PDF file and add annotations, using the mouse or a Tablet PC pen, directly on the PDF files pages.
Germany
EU
CATMA is a practical and intuitive tool for literary scholars, students and other parties with an interest in text analysis and literary research. By helping perform many of the procedures useful for literary analysis that normally have to be carried out entirely manually, CATMA...
BibDesk is a bibliographic reference manager for Mac OS X. BibDesk is designed to help organize and use bibliographic databases in BibTeX .bib format.
With PDF Stacks, you can organize, find and browse, search, annonate and share your collection and library of PDF files, papers, research and journal articles with a single click. It saves you time: no more wondering around your computer to find a PDF file.
United States
Julius AI is an advanced data analysis tool that leverages artificial intelligence to interpret, analyze, and visualize complex data sets, simplifying data analysis for individuals lacking expertise in data science or statistics.
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. Guaranteed to save you time and revolutionize the way you work with your documents.
Australia
Program for organizing and commenting textual citations from texts (books, articles, or other published works) for use in producing scientific or academic publications.
Elumity is a powerful academic tool for managing and sharing knowledge, combining research, reference management, and collaboration in one platform.
Switzerland
