The national geoportal of the Grand-Duchy of Luxembourg is the official platform for governmental geodata and services. It provides maps, data catalogues, a 3D viewer and thematic portals, including energy, tourism, environment and the Greater region. Plugins let QGIS and ArcGIS Pro users search for a location, choose a basemap and add map layers or vector data.
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GRIIDC is a multidisciplinary data repository that stores and disseminates data. It lets users search and download data for free, while data can be stored for a fee. Its mission is to support a data and information legacy for coastal and marine ecosystems. It is based at the Harte Research Institute.
Hostelworld.com is an online platform that facilitates confirmed bookings for backpacker hostels around the world. It also provides city guides, sightseeing, entertainment, and backpacking tour information. The platform offers features including chat functionality to connect with other travelers, global event and accommodation listings, and a mobile application for user access.
ICARUS (Integrated Chamber Atmospheric data Repository for Unified Science) is a data repository for atmospheric chamber experiment data, developed at the University of California, Davis with European partner Eurochamp Database. It allows users to search, browse, and download datasets from affiliated atmospheric chemistry experiments, and provides associated documentation and reference materials for the repository.
IMDb: Link 'em all! is a user script that adds links to IMDb movie info pages. It offers multiple categories including search, movie sites, trackers, streaming, filehosters and subtitles, and can fetch search results in the background. It supports Chrome and Firefox with TamperMonkey, GreaseMonkey and ViolentMonkey, and both IMDb modern and reference layouts.
Incogni is a data removal service that sends automated removal requests to data brokers and people search sites on behalf of users, who grant the company the right to act on their behalf. It scans for personal information and sends recurring removal requests, providing monthly privacy reports. Plans cover 420+ data brokers, and higher tiers add custom removals from 3,000+ additional sites and family account options.
Index Islamicus Online is a classified bibliography of publications in European languages on Islam and the Muslim world. It contains over 750,000 records of articles, books and online resources, with over 5,000 journals surveyed, and indexing down to article and chapter level. Newspaper and grey literature are excluded. Users may submit missing items, with inclusion at editors' discretion.
India Data Portal is a search and discovery site for India's public datasets, presented under FAIR principles. It offers visualization tools such as bar, line, pie, table, scatter and map views, allows users to merge datasets using local directory codes, upload their own data for visualization, and download complete data. Public government datasets are accessible without a paywall.
Earthdata Search is a browser-based tool for searching, discovering, visualizing, refining and accessing NASA Earth Observation data, offered through the IDN portal. The page requires JavaScript and a current browser; it notes an accessible alternative called Earthdata Access for users who need it.
Is it big? is a website that lists brands affiliated with major large corporations. Users can search for specific brands or navigate through available corporate groups, with data sourced from scraping brand websites. All data is open source and available on GitHub.
The ISIMIP Repository is a searchable archive of climate impact model data. It holds input data such as climate forcing, socioeconomic forcing and static geographic information, plus output data across sectors including agriculture, terrestrial biodiversity, biomes, fire, regional forests, temperature-related mortality, lakes and fisheries. Users search by simulation round, covering ISIMIP2a through ISIMIP4b.
Jisho is an online Japanese-English dictionary. Users enter Japanese text or an English word to find words, kanji and example sentences. Search options include romaji conversion, wildcards, unit conversion, multiple additive search terms and hashtag filters such as verb, adjective and WaniKani levels.
Kinsources is a collaborative web platform for sharing, archiving, analysing and comparing kinship data for scientific use. Users can browse and search the repository by combined data and metadata criteria, and datasets can be listed by topic areas such as region or marriage rates. The site reports figures including 127 datasets, 798,519 individuals and 266,785 unions.
KU ScholarWorks is the institutional repository of the University of Kansas. It contains archived scholarly work by KU faculty, staff and students. Users can browse communities and collections or search by author name, keywords, titles or department names.
LDbase is an open science data repository for the educational and developmental science communities. It provides a secure platform to store and access research data, alongside resources related to data management and analysis. Unlike dataset-oriented repositories, LDbase is structured around projects to align with the workflows of its target field. Users can browse data, search for projects, start new projects, and access support via regular virtual office hours.
LeakPeek is a search service for checking whether an email, username, phone number or password has appeared in a data breach or password leak. It also offers searches of US and UK public records and a face search of public websites. Membership plans range from a 24-hour trial to three months of access.
FindByPlate.com is a free resource for license plate lookup and reporting bad drivers. In most cases the website will identify the car and its basic information, along with any user-submitted reports, images, videos, or comments. The license plate search engine is in beta development, and the site does not guarantee the validity or accuracy of the information shown.
Liverpool John Moores University Research Data Repository is the institution's research data storage platform, powered by Eprints3 and hosted and managed by CoSector, University of London. It supports OAI 2.0, allows users to browse items by year, author, division, field of research, data type and funder, and includes advanced search functionality.
LocalGPT is an on-premise document intelligence platform that lets users chat with their documents on their local device using GPT models. It supports PDF, DOCX, HTML, Markdown, and TXT files and combines dense vector search with LanceDB full-text search and a cross-encoder reranker. It runs with a plain Python RAG core and offers generation models via Ollama.
MAC Address Lookup is a tool that enables users to find the vendor, manufacturer or organization associated with a MAC or OUI address. It uses the IEEE directory and Wireshark manufacturer database for lookups, offers a free REST API for third-party integration, and provides access to its regularly updated MAC address prefix database.
MathURLs is a mathematics news aggregator that collects math news from popular math websites in one place. Users can choose sites to search from. Personal preferences, including keyword highlighting, filtering, pinned articles, push notifications and customized RSS feeds, are listed as upcoming features. Search supports operators such as AND, OR, NOT and prefix wildcards.
Maxurl is an open source tool that finds larger or original versions of images and videos, typically by replacing URL patterns. It supports over 10,000 hardcoded websites and generic content management systems including WordPress and MediaWiki. The tool is distributed as a userscript for most browsers, a browser extension for Firefox and Chromium-based browsers (via sideloading), a Node.js module, and a web implementation.
A decentralized search engine and automated press review tool shaped as a WebExtension browser addon. Searches are keyword driven with selectable sources, and searches can be scheduled and exported. The search and sort job is handled by the extension on the user's computer, with no central server involved.
Minnesota Digital Library is a search and discovery site that lets users browse a collection of items from historical societies, libraries, archives, and cultural organizations across Minnesota. It offers browsing by topic, contributor, and format, along with digital storytelling resources including exhibits, maps, timelines, and primary source sets.