RADAR4Chem, hosted at radar4chem.radar-service.eu, is a research data archive that is part of the RADAR research data repository family. It is available in German and English, and enables users to search and filter the latest data publications by attributes including creators, publishers, production year, language, subject areas, resource type, license, rights holders, community, keywords, and ontologies. The platform also provides access to repository information including its privacy policy, terms and conditions, legal notices, and accessibility declaration.
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RADOGOST is an archaeological data repository that allows users to search for datasets and add datasets to collections after signing in. The platform supports English and Polish, reports 8,622 total downloads, and includes featured collections. Users can access a user guide and contact support for assistance.
Reading Length estimates how long a book takes to read using book word counts. Users search for a book and enter their reading speed. The site lists popular titles with word counts and estimated reading times, and offers reading-time tests, daily reading plans, and account-based tracking of books being read or finished.
Reddit Archive is a site for browsing banned subreddits and user profiles using the Pushshift API. Its search forms support special characters, comma-separated subreddits, exclusion with !, and score or comment comparisons. By default it returns 100 posts, the maximum. Sorting by score is often unreliable because Pushshift does not store scores for many items.
Religious and Theological Abstracts provides objective summaries of articles from scholarly journals in religion and theology. It covers Christian, Jewish and other world religions and offers English-language abstracts of articles in English, Hebrew, Afrikaans and major European languages. Users limited to 5 results unless signed in.
The Research Data Leeds Repository is the University of Leeds' institutional research data repository. It allows users to search for and browse research data outputs, view recently added items, and access information about research data management and repository policies. The repository supports OAI 2.0 and is powered by the EPrints platform.
The ROCEEH Out of Africa Database (ROAD) is a research database offering simple search functionality, with supporting documentation including table descriptions, an entity relationship diagram, a manual and FAQs. Full access requires user registration, and the service will be temporarily unavailable on September 28, 2026 from 4:00 PM to approximately 4:30 PM German time for emergency procedure testing.
The Satellite Application Facility on Climate Monitoring provides satellite-derived products and services for climate monitoring. Its web user interface helps users search and order products online, and service messages provide operational information.
ScholarsArchive@OSU is Oregon State University's institutional repository. It hosts the university's scholarly research outputs, including featured works and recently uploaded materials across a range of academic subjects. Users can search, browse collections and access full content of hosted works.
Searchee Bot is a Telegram bot described as a guide to Telegram channels, allowing users to find any channel in Telegram. The listing page shows a Start Bot button for launching it.
SearchPOF.com is an online tool that helps users work with usernames, digital identities, or related information for research and testing.
A redirector page that forwards a search query to one of several volunteer-run public Searx instances. Searx is described as a metasearch engine that aggregates results from over seventy sources while protecting user privacy. The page can be saved to disk for offline use or edited with a text editor.
Seats.aero is described as a search engine for award travel. The listing says it allows users to explore flights and hotels across regions and search with instant results. It is based in San Francisco, CA, and its X account has 55 posts and 6,303 followers.
Shortwave is an internet radio player distributed via Flathub. It provides access to a database of over 50,000 radio stations. Users can create personal libraries of favorite stations, search for stations, have tracks automatically recognized with the option to save them, and play audio on supported network devices such as Google Chromecasts. It integrates with the GNOME desktop environment and has a responsive layout for different screen sizes. Version 5.1.0 added minor improvements and bug fixes including selectable track titles, accessible station search, faster cover art loading and a maximum recording duration.
The SLGO Data Catalogue lets users search, find and download 433 datasets. Datasets are organised by ocean variable, including bioecosystems, biogeochemical, cross-disciplinary and physical ocean groupings, and can be found by keyword or ocean variable. A further 219 datasets relate to other fields.
The KDK Repository hosts research collections from the Research Documentation Centre at the Centre for Social Sciences, covering four institutes: Legal Studies, Minority Studies, Political Science, and Sociology. Users can browse and download collections, and search topics and researchers. Some collections are publicly accessible without registration. The repository runs on EPrints 3 and supports OAI 2.0.
Songs Like X is a music discovery service that returns lists of songs similar to a chosen track. The free plan provides 20 recommendations per search. The Pro plan, at $3 per month, provides 50 recommendations per search and Melodie, an AI playlist assistant that tunes a list by mood or in the user's own words.
HizSearch Steam Button is an open-source browser extension and userscript that enables one-click searches for Steam games on the HizSearch game search engine. It operates on Steam Store and SteamDB app pages. The tool can be installed in the Steam Client browser, Chromium-based browsers, Firefox, or via userscript managers. Users can configure the button's position, icon visibility, and new-tab behavior, and the project is released under the MIT license.
Sunway University Institutional Repository, known as the Sunway Education E‑Archive, provides access to more than 5,000 electronic resources. Users can search or browse the collection by author, item type, subject, or publication year. The repository is powered by EPrints software and includes the latest additions to the archive.
TAMBORA is a collaborative research environment for climate and environmental history. It supports work in historical climatology, with a core goal of reconstructing climatic trends from man-made sources. The platform allows users to search and contribute data, and invites experts to apply as reviewers for its publication process. It hosts resources including reconstructed climate data such as temperature fields and historical flood records. TAMBORA is operated by the Albert-Ludwigs-University Freiburg Library and Department of Physical Geography, and the Leibniz Institute for Regional Geography.
TextBookGo.com is a source for free etextbooks, offering free digital textbooks from all sources and for all courses, across many subject categories and for tablet and digital textbook viewing devices. Users can search by title, author, or keywords for immediate download.
The Adventure Game Database is a catalogue of PC English-language graphical adventure games. Users can search by name, tag, year and platform, and the site lists recently added and released titles alongside upcoming games. Search help documents options for phrase matching, required and excluded words, wildcards and filters such as year and status.
The Cancer Imaging Archive (TCIA) is a service that de-identifies and hosts a large archive of medical images of cancer accessible for public download. Many datasets are submitted by the user community. TCIA offers ways to browse, search, and download data, along with video tutorials, documentation, and a helpdesk.
A word search puzzle site offering thousands of puzzles and games to play online or print out, spanning fun and educational topics. Puzzles are described as free to play on desktop, Mac, mobile and tablet, and users can create and share their own with a word search maker. Teachers reportedly make use of the puzzles.