Scholar Key is a Firefox browser extension. It automatically adds shadow library and institutional access links next to DOI links on webpages, and displays Wikipedia citation counts for those DOIs. Users can configure enabled sources, reorder or edit source entries, and add their institution's library access via a maintained libproxy database. Default sources include Anna's Archive Search, Anna's Archive SciDB, and Sci-Hub.
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Sci Hub Now is a browser extension for Firefox, Chrome, and Edge. It provides one-click free access to academic papers via Sci-Hub. Users can manually install the latest release if store-published versions are under review.
SciAlert is an AI-supported international scientific publisher and journal-hosting platform. It hosts more than 50,000 fully open-access peer-reviewed articles, provides publishing services including rigorous peer review, copyediting, and impact tracking, and uses the Creative Commons Attribution license for author copyright retention. It offers resources for authors, editors, referees, librarians, and scholarly societies, plus an indexed research database called the ASCI Database.
Sciarium is a file-sharing site organized into sections such as primary and secondary education, higher education and science, applied materials, audiobooks and fiction. It lists file counts for each section and offers login through several external account providers.
Science Forums is a discussion forum with boards covering news, education, physics, chemistry, mathematics, biology, medical science, engineering, earth science, computer help, philosophy, religion and ethics. A homework help section offers assistance with homework problems rather than answers.
Science.gov is a gateway to government science information from U.S. Government science agencies. It provides access to millions of authoritative scientific research results, including research and development outputs. Users can search across multiple databases, view results ranked by relevance, and access bibliographic citations, abstracts, and often full-text documents. Advanced search allows field-specific queries and source filtering. Format tabs and result actions such as download, print, and email are available.
Userscript for Scientific Doc Paywall Bypass, adding browser customization or automation to supported websites.
Scraper is an open source project for reading, generating, or managing RSS and web feeds.
Scribd PDF is a Scribd documents downloader. Users paste a Scribd URL or change the domain of a document URL, and the tool checks the link and returns a download link found on the internet. It accepts URLs starting with Scribd's document, doc, and presentation prefixes.
Scripts.com provides movie and television scripts for online reading and production research.
Search Engine is an iOS app or mobile resource with app details, updates, or reading and media features.
arXiv Xplorer is a semantic search engine for arXiv. It supports open access interoperability with arXiv, bioRxiv and medRxiv, and is built using OpenAI's embeddings as a semantic search tool for these repositories.
Searchthearxiv is a simple semantic search engine for machine learning papers on arXiv. Users can input arXiv links to find similar papers or use natural language queries to search for relevant research.
Secret Canada is a freedom of information project from The Globe and Mail. It provides a database of completed FOI request summaries filed across Canada, guides on filing requests and navigating the system and appealing decisions, and freedom of information news. The data was collected through requests to public institutions at federal, provincial, territorial and municipal levels.
Semantic Spaces Dictionary helps learn languages with dictionaries, reading tools, lessons, pronunciation, or study resources.
Send2Ereader transfers books to an e-reader without cables. A user creates a transfer session, shares its QR code, and uploads supported books from a browser; a receiving device joins with a 6-character code. Integrations include a KOReader plugin, CrossPoint/XTEink plugin, and generic OPDS clients, requiring no username or password.
Send2ereader is a code project with source, releases, documentation, or setup notes.
Sensei's Library helps find books, reading material, archives, or public-domain educational texts.
Serial Reader delivers classic books in daily 20-minute issues to iPhone, iPad and Android devices. It offers a selection of more than 800 classic literature titles and lets readers adjust colors, fonts and text size.
Shelfmark is a code project with source, releases, documentation, or setup notes.
SideBooks is an app store page with install details, screenshots, reviews, and app information.
Edit ebooks in EPUB format.
Sign Dictionary helps learn languages with dictionaries, reading tools, lessons, pronunciation, or study resources.
Simon Tatham's Puzzles is a code project with source, releases, documentation, or setup notes.