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Newznab is a Usenet indexing web application with community features. It groups messages for user-friendly access and uses the Sphinx Open Search Server for searching Usenet articles. It includes SEO-friendly URL rewriting and simple CMS features for adding content pages. Documentation and support are provided with the plus version; the free version includes basic install resources in a README file.
next-sitemap helps generate, validate, or manage XML sitemaps and robots files for search indexing.
A page providing updated lists of public BitTorrent trackers, refreshed daily by a bot that checks the trackers. The lists are sorted by popularity and latency, with duplicate domains or IP addresses removed, and include variants for UDP, HTTP, HTTPS, WebSocket, I2P and Yggdrasil.
The NIST Digital Library of Mathematical Functions is an online reference covering special functions, organized into chapters such as algebraic and analytic methods, numerical methods, and orthogonal polynomials. It provides an index, notations, a guide to searching, permalinks and reference numbers for citing specific equations, tables and figures, and a list of software and errata.
No-Laughing Batsu Game List indexes episodes and viewing references for Japanese Batsu comedy specials.
A dark blue theme for the qBittorrent client, based on the Nord colour scheme. The repository provides a blue.qbtheme file and a build script for generating a theme file. Users enable the custom UI theme in qBittorrent's options, browse for the file, and restart the application for changes to take effect.
Find and access geosciences research data, with indexed geospatial data.
Not Human Search scores websites from 0 to 100 on seven agentic signals, including llms.txt, OpenAPI, MCP and Schema.org. It also indexes agent-ready sites and lets users search for services, APIs and tools by machine-readable readiness. Organic rank is said to be based on readiness rather than payment.
Nunflix indexes movies and television series for browsing and online viewing with genre browsing.
NZBKing is a Usenet indexer that searches Usenet posts and generates NZB files. It allows browsing posts across groups and exporting NZBs for a newsreader. Downloading the underlying files requires a premium Usenet provider and an NZB-capable newsreader. Commercial use is prohibited.
An NZB index site for searching and downloading NZB files for movies, music, TV, games and more. The welcome page states it works with Sabnzbd, Sickbeard, Sonnar, NZBGet, Headphones and other tools, and offers account registration and login.
Find and access atmospheric, oceanography and climate research data, with indexed geospatial data.
OA.mg is a search engine for academic papers that specialises in open access content. It indexes over 240 million open access research papers, enabling users to search for and access full-text PDFs of papers across research fields, by specific author or publication. The platform also provides a Chrome extension to facilitate paper downloads.
Guide to search tools and databases that surface information outside conventional web indexes.
OEIS is the On-Line Encyclopedia of Integer Sequences, maintained by The OEIS Foundation Inc. The site is available in many languages. It offers lookup, an index, plots and transforms, and reports containing 400313 sequences.
Find and access criminology research data, with indexed still image.
Old'aVista is a search engine for old websites hosted on services such as Geocities, Angelfire, Xoom, AOL, and Tripod. It organizes indexed sites into categorized directories spanning Arts & Humanities, Business & Economy, Computers & Internet, Education, Entertainment, Government, Health, News & Media, Recreation & Sports, Reference, Regional, Science, Social Science, and Society & Culture. The site is a proud member of TheOldNet webring and maintains a public guestbook.
OSINT search engine indexing exposed internet assets, IPs, domains, and network intelligence.
Onyx is an open-source AI platform that connects to applications to index and surface knowledge, with self-hosted deployment options. It provides agentic RAG search, deep research reports, custom agents, web search, a secure sandbox for code execution, artifacts, and voice mode. It works with major LLMs.
Research index for locating articles, books, authors and citation information.
Database of open-access scientific journals.
Find and access computer, systems and electrical engineering research data, with indexed dataset.
OpenAlex is an open catalog of the global research system. It indexes half a billion scholarly works, including associated authors, institutions, sources, and topics. The data is freely available for search, analysis, and reuse through a web application, API, and bulk download.
Find and access accounting und finance research data, with indexed datasets.
