Qiqqa is a free research and reference manager. Search for, read and annotate your PDFs. Then review your work, write up and create bibliographies instantly.
- Research Manager
- Freemium • Open Source
- Windows

Qiqqa is a free research and reference manager. Search for, read and annotate your PDFs. Then review your work, write up and create bibliographies instantly.

Mendeley helps manage and share academic knowledge: Mendeley Desktop is free academic software (Windows, Mac, Linux) for organizing and sharing research papers and generating bibliographies with 1GB of free online storage to automatically back up and synchronize your library...

PureRef was created to be a simple and lightweight tool for artists to organize and view their reference images. Image can be scaled and collage can also be made.

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

Easily learn how to do anything from wikiHow, the world’s leading how-to guide. Step-by-step instructions on every imaginable topic. Become the DIY master of anything, instantly.



Mimo is a platform that teaches computer science in a fun and interactive way.



BeeRef lets you quickly arrange your reference images and view them while you create. Its minimal interface is designed not to get in the way of your creative process.

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

Reverso Context offers translations in context of words, groups of words and idioms; a free dictionary with millions of examples in Arabic, German, Spanish, French, Hebrew, Italian, Dutch, Polish, Portuguese, Romanian, Russian and English.



Create a personalized sketch doll and make it pose. Design Doll allows the manipulation of sketch doll 3D models and the use of custom models and props imported from other programs or bought from its own marketplace.

Microsoft Encarta was a digital multimedia encyclopedia published by Microsoft Corporation from 1993 until 2009. As of 2008, the complete English version, Encarta Premium consisted of more than 62,000 articles, numerous photos and illustrations, music clips, videos...

Vocabulary.com is the easiest, most intelligent way to improve your vocabulary. It combines an adaptive learning system (The Challenge) with the world’s fastest dictionary (The Dictionary) so that you can more quickly and more efficiently learn words.

Merlin is fun and easy to use—whether you’re curious about a bird you’ve seen once, trying to identify every bird that comes to your feeder, or planning a birding trip to a new country. The answers are waiting for you with this free field guide app from the renowned Cornell Lab...



Kuadro is an image viewer that allows you to open as many windows as you want, lay them out as you need them and store those layouts for later.
It was designed to stay out of your way, and work around you.

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. It was launched in September08, with 31 million registered and over 8 million uploaded texts.

Wikidata is a free and open knowledge base that can be read and edited by both humans and machines.

Get details on arguments for commandline tools through explainshell's sleek, web-based interface. The web app is totally free and source code is available for download through GitHub.

All the most useful Rules of Algebra in one place: easy to understand, free, searchable, ad-free, open-source, and accompanied by informative descriptions & examples.

Supercharge your paper reading: follow references, skim outline, jump to figures, cite and save.

Citizendium, powered by MediaWiki, is "an open wiki project dedicated to creating a free, comprehensive, and reliable repository of structured knowledge". Unlike with Wikipedia, a contributor must register using their real name and verify their identity.

This Bible study app links your Bible reading with outstanding commentaries, maps, and dictionaries for an in-depth study experience. You can take notes, highlight verses, bookmark passages, and sync all of these things between different devices.

The Eudict is an essential reference software for English learners. It starts quickly, has a full range of features, is ad-free, and provides an uninterrupted experience. With a massive expandable vocabulary library and customizable editing, it supports translations in multiple...

Local and Anki-compatible note-taking tool based on TiddlyWiki.

Paperly is a paper reader, which aims to improve the whole experience of reading, note-taking and mind mapping. Three key features are provided: (1) WYSIWYG Citation; (2) Contextual Notebook; (3) Scholar Mind Graph.

Wordnik is an online English dictionary and language resource that provides dictionary and thesaurus content.Some of the content is based on print dictionaries such as the Century Dictionary, the American Heritage Dictionary, WordNet, and GCIDE.
