Tor2Web

Tor2Web

This gateway to Tor hidden services provides convenient access to Tor hidden services. It is a pure proxy that forwards requests to the respective hidden service. We do not store any data and are not liable for the content.

Intelligence X

Intelligence X

Intelligence X is a unique search engine and data archive that works with specific search terms (selectors) like email addresses, domains, URLs, IPs, Bitcoin addresses, and more. It searches diverse sources, including the darknet, document sharing platforms, and public data leaks, and maintains a historical data archive similar to the Wayback Machine. Intelligence X is useful for open source intelligence.

Mednar

Mednar

Mednar is a free, medically-focused deep web search engine that uses an advanced search technology by Deep Web Technologies. As an alternative to Google, Mednar accelerates your research with a search of authoritative public and deep web resources, returning the most relevant results to one easily navigable page. Unlike Google, a Mednar search occurs in real-time, retrieving relevant medical information as if you were going to each individual website yourself.

Archive.today

Archive.today

Webpage captures. Archive.today is a time capsule for web pages by taking a ‘snapshot’ of a webpage that will always be online even if the original page disappears. It saves a text and a graphical copy of the page for better accuracy and provides a short and reliable link to an unalterable record of any web page.

ResearchGate

ResearchGate

Our mission is to connect the world of science and make research open to all. The 20 million researchers in our community come from diverse sectors in over 190 countries, and use ResearchGate to connect, collaborate, and share their work.

Academic Torrents

Academic Torrents

Academics Torrents was established to meet the demands of science in the age of big data. It utilizes a scalable BitTorrent platform that distributes the burden of hosting data, eliminating the risk of data loss due to the rise and fall of dataset hosting providers. Researchers are empowered to replicate data they are working with and share large datasets without incurring the high costs usually associated with commercial providers. Academic Torrents is a product of the Institute for Reproducible Research (a U.S. 501(c)3 nonprofit).

arXive ePrint Archive

arXive ePrint Archive

arXiv is a free distribution service and an open-access archive for nearly 2.4 million scholarly articles in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and systems science, and economics. Materials on this site are not peer-reviewed by arXiv.

ScholarWorks

ScholarWorks

ScholarWorks@GVSU is a service of the Grand Valley State University Libraries. The 22,000+ papers to date represent research and scholarly output selected and deposited by individual university departments and centers on campus. Helping our researchers increase the visibility and impact of their work.

OpenStax

OpenStax

A licensed archive of textbooks run by Rice University. Also assessments, instructor resources, and more.

PubPeer

PubPeer

The PubPeer Foundation is a California-registered public-benefit corporation to improve the quality of scientific research by enabling innovative approaches for community interaction. It’s a service run for the benefit of its readers and commenters, who create its content. Our current focus is maintaining and developing the PubPeer online platform for post-publication peer review.

VormWeb

VormWeb

Another darknet search engine with clear and minimalistic pages. VormWeb is completely free of javascript, ads and trackers and does not collect any private personally identifiable information.

altTech

altTech

Various hardware, firmware and software resources for the privacy and security conscious seeker.

GEDmatch

GEDmatch

Comprehensive solutions for genetic genealogy and family tree search, GEDmatch provides more applications for comparing your DNA test results with the most people worldwide. GEDmatch is an online service to compare autosomal DNA data files from different testing companies.

Cheatography

Cheatography

Cheatography is a collection of 6487 cheat sheets and quick references in 25 languages for everything from science to business, educational and language guides, home and health, to game and hobby cheatsheets. A myriad of subjects, topics of just about anything you could think of!

Awesome Cheatsheets

Awesome Cheatsheets

This curated list of cheat sheets covers a wide range of topics, including programming languages, frameworks, databases, and more, making it a valuable resource for developers of all levels. They include everything you should know in one single file.

Codeacademy Cheatsheets

Codeacademy Cheatsheets

Codecademy’s collection offers a comprehensive array of cheat sheets covering various programming languages, from Python and JavaScript to Ruby and SQL. These well-designed and easy-to-navigate resources are perfect for both beginners and experienced coders alike.

OpenLearn

OpenLearn

Produced by The Open University, a world leader in open and distance learning, all OpenLearn courses are free to study. We offer nearly 1000 free courses across 8 different subject areas. Our courses are available to start right away.

Internet Archive

Internet Archive

Internet Archive is a non-profit library of millions of free books, movies, software, music, websites, and more. It also houses the largest index of archived webpages.

ibiblio

ibiblio

The Public’s Library and Digital Archive: E-books, magazines, academic essays, software, music and radio.

Cyndi’s List

Cyndi’s List

Cyndi’s List has been a trusted genealogy research site for more than 25 years. Cyndi’s List is free for everyone to use and it is meant to be your starting point when researching online. A categorized & cross-referenced index to genealogical resources on the Internet. A list of links that point you to genealogical research sites online. A free jumping-off point for you to use in your online research. A “card catalog” to the genealogical collection in the immense library that is the Internet. Your genealogical research portal onto the Internet.

Library of Congress

Library of Congress (LOC)

One of the largest collections in the world of printed and recorded materials; outstanding source for free images; resource for all copyrighted materials in America and beyond. LOC maintains collections of nearly all city directories and county histories in the U.S.; houses a comprehensive directory of all known copyrighted newspapers by timeframe and where they can be located today, in the important U.S. Newspaper Directory and Chronicling America; and offers comprehensive historical materials of all kinds.

FamilySearch

FamilySearch

A completely free genealogy database website. You can use an Advanced Search tool by surname, record type, and/or place to access millions of records. The FamilySearch Wiki is a “go to” resource to find what exists for a wide range of family history topics, even beyond FamilySearch’s extensive databases.

USGenWeb

USGenWeb – Free Genealogy on the Internet

Established in 1996 by a group of genealogists who shared a desire to create free online resources for genealogical research. Originally beginning with online directories of text-based resources, their vision has grown into a network of over 3000 linked websites, all individually created and maintained by a community of volunteers. Today you may find a variety of unique county and state resources including photos, maps, transcriptions, historical documents, helpful links, and more.

RefSeek

RefSeek

Academic search engine for students and researchers. Locates relevant academic search results from web pages, books, encyclopedias, and journals. More than a billion sources: encyclopedia, monographies, magazines.

WorldCat

WorldCat

Find items in libraries near you; a search for the contents of 20 thousand worldwide libraries. Find out where lies the nearest rare book you need.

Bioline International

Bioline International

Bioline International is a not-for-profit scholarly publishing cooperative committed to providing open access to quality research journals published in developing countries. BI’s goal of reducing the South to North knowledge gap is crucial to a global understanding of health (tropical medicine, infectious diseases, epidemiology, emerging new diseases), biodiversity, the environment, conservation and international development. By providing a platform for the distribution of peer-reviewed journals (currently from Bangladesh, Brazil, Chile, China, Colombia, Egypt, Ghana, India, Iran, Kenya, Malaysia, Nigeria, Tanzania, Turkey, Uganda and Venezuela), BI helps to reduce the global knowledge divide by making bioscience information generated in these countries available to the international research community world-wide.

RePEc (Research Papers in Economics)

RePEc (Research Papers in Economics)

RePEc (Research Papers in Economics) is an initiative that seeks to enhance the dissemination of research in Economics and related areas. We want to make research more accessible both for the authors and the readers. RePEc is a crowd-sourced effort: a) thousands of people and organizations contribute the underlying data, b) a core team of contributors manage the system, and c) sponsor organizations provide the infrastructure. As such, the RePEc initiative has no central expenses, and thus can provide all services for free to all users.

Science.gov

Science.gov

Science.gov provides access to millions of authoritative scientific research results from U.S. federal agencies. Over 2200 scientific sites, and more than 200 million articles are indexed.

JudyRecords

JudyRecords

judyrecords is a 100% free nationwide search engine that lets you instantly search hundreds of millions of United States court cases and lawsuits. judyrecords has over 100x more cases than Google Scholar and 10x more cases than PACER, the official case management system of the United States federal judiciary.

Cliche Finder

Cliche Finder

Have you been searching for just the right cliché to use? Are you searching for a cliché using the word “cat” or “day” but haven’t been able to come up with one? Just enter any words in the form below, and this search engine will return any clichés which use that phrase.

OverAPI Cheat Sheet Collection

OverAPI Cheat Sheet Collection

OverAPI is a comprehensive hub that collects and curates cheat sheets for developers. It goes beyond just API-related content and serves as a centralized repository for cheat sheets covering a wide array of programming languages. From popular choices like Python, JavaScript, and Ruby to more niche languages, OverAPI has got you covered.

Ahmia

Ahmia Tor Search

Ahmia aims to be the leading search engine for Tor network services, providing meaningful statistics, insights, and news. It supports the Tor network’s role in global anonymity and privacy, making onion services (aka “deep web” or “dark net”) accessible to a broader audience beyond early adopters.