Open Access Button

Give us a scholarly paper and we’ll search thousands of sources with millions of articles to link you to free, legal, full text articles instantly. If we can’t get you access, we’ll start a request for you. We request articles from authors, and guide them on making the work available to you and everyone who needs it.

What is a DOI? | Finding and Using Digital Object Identifiers

A DOI (Digital Object Identifier) is a unique and never-changing string assigned to online (journal) articles, books, and other works. DOIs make it easier

Sci-Hub: knowledge to everyone

Sci-Hub provides free access to academic journals and research papers from various publishers.

Search by DOI or PMID - Database, Journal, & Article Searching ...

This guide explains how to find and cite scholarly articles, as well as offers information on pdf vs html, article linking and much more. Find an article quickly when you have the doi or pmid

LibGuides: DOI (Digital Object Identifiers): Search by DOI

Type or paste an article's DOI into this search box. Our linking system will find which library databases have the article in full-text, and link to Interlibrary Loan if full-text is unavailable.

Unlocking Open Access – Open Access DOIs - University of Bristol

This is a good trick for finding an Open Access version of an article you already know. It can also be a good way to link your readers to an open version of your work, ensuring they can read it.

Unpaywall

Used and trusted by top organizations We're integrated into thousands of library systems, search platforms, and other information products worldwide. In fact, if you're involved in scholarly communication, there's a good chance you've already used Unpaywall data.

OA.mg · Open Access for Everyone · Download and read over 240 million ...

OA.mg is a search engine for academic papers, specialising in Open Access. We have over 250 million papers in our index.

Resolve a DOI Name

Type or paste a known DOI name exactly—including its prefix and suffix—into the text box below and then ‘submit’ to resolve it.

How to find a DOI [Update 2025] - Paperpile

Learn what a DOI is, where to locate it in your sources, and how to cite it in different styles. Paperpile is a reference manager that can help you format and organize your citations with DOIs.

Scolary — Unpaywall

The Unpaywall formerly oaDOI system is the brainchild of Heather Piwowar and Jason Priem, co-founders of Impactstory, and is funded by the Alfred P. Sloan Foundation. The staff looks for open access copies of articles in print through search databases such as the Directory of Open Access Journals and BASE OA. They also search repository pages and journal articles to determine whether a free ...

Research Guides: Digital Object Identifier (DOI): DOI Tools

DOI Lookup If you want to find the DOI for an article or ebook chapter, Crossref provides a free DOI search service. Search using bibliographic data like title and author. Search the free DOI Lookup site at Crossref. DOI Resolver Chrome Browser Extension The DOI Resolver browser extension does exactly what its name suggests.

How to find openly accessible articles | Scholarly Communications - MIT ...

Below are tips for finding openly accessible versions of articles — that is, non-paywalled articles you can read and download no matter where you are. Depending on where you search, articles may be the final published version, the accepted manuscript, or a preprint.* Install browser extensions These tools find legally available manuscript versions as well as final published articles when the ...

Open Access Button

The Open Access Button is a tool that helps you access free research articles from authors or publishers. You can use it on journal articles by entering the DOI or URL of the article on the homepage.

Sci-Hub: removing barriers in the way of science

Simply paste the DOI of the journal article you wish to read into ScienceHub, and the PDF will be downloaded for free. Journal articles and academic papers are available for free on the site. These sci-hub mirrors are for you if you want to obtain knowledge. Sci Hub is the Internet's largest archive of stolen academic articles.

API - Open Access Button

Free, legal research articles delivered instantly or automatically requested from authors.

Access to published articles for free from journals such as ... - Reddit

Regardless, sci-hub is the resource I use, and it’s done well by me for over half a decade now. You can paste the URL or DOI in and it’ll unlock probably 90% of articles I’m looking for. Most of the time if you’re on a paywalled article you can just append sci-hub.st/URL before the website URL and it’ll take you right to a pdf.

This New Browser Plug-in Lets You Access Millions of Scientific Papers ...

Install the plug-in on your Chrome or Firefox desktop browser, and it will start displaying a little lock symbol whenever you're on the landing page of an article in an academic journal.

DOIRef

DOIRef is Digital Object Identifiers Issuer, Resolver, References Manager, Repositary, Indexing and Metadata Managment. We are a Organization based on membership organization for scholarly Research publishing working to make content easy to Locate, cite, link, Identify and assess. Research Publisher Join with Our Membership Program and issue DOI to Research journal and Article. DOIRef helps to ...

How to access scientific papers for free? - Dessimoz

It’s also possible to request full-text articles via Twitter. As described in Wikipedia, this works by tweeting the article title, its DOI, an email address (to indicate to whom the article should be sent), and the hashtag #icanhazpdf. Someone with access to the article might send a copy via email. Once the article is received, the tweet is ...