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Published directory entries matching your search.
A large online directory of thousands of free e-books on science and technology subjects, including computer science, medical science, mathematics, physics and biology. Users can upload their own books, which are checked before being added, or request a book. Links are listed by publisher and category with a download link for each title.
Quick, Draw! is a machine learning game developed by Google Creative Lab and Data Arts Team. Players draw objects within a 20-second time limit, and a neural network attempts to identify the drawing. Completed drawings are added to a publicly available doodling dataset to support machine learning research. The game supports multiple languages.
RAND study of illicit online markets and the operational lessons they present for public policy.
Search My Site is an independent search engine focused on personal websites, digital gardens and the small web. It also offers a website search tool that adds a search box to a site with one line of code. The platform is ad-free, privacy-first and open source, with a free Basic listing, a one-month free trial, and a Full listing priced at £12/year.
SerpBear is an open source search engine position tracking app. It tracks a website's keyword positions in Google and sends email notifications about position changes. It uses third-party scrapers or proxy IPs to scrape Google search results, with Basic, Custom and Smart scrape strategies. A built-in API supports reporting tools, and Google Ads and Search Console integrations are available.
SpiderSuite is a web crawling and security testing platform for security professionals, penetration testers and researchers. It offers specialized crawlers, traffic interception, request crafting and fuzzing, along with source and graph views of crawl data, plus import and export in formats such as HAR, WARC, CSV and JSON.
StillTasty is a shelf-life guide launched in February 2009 with a searchable database of shelf life information for thousands of foods and beverages. It answers how long items stay safe and tasty and how best to store them, drawing on government and other research.
Talkwalker Alerts is a free web monitoring service that functions as an alternative to Google Alerts. It tracks mentions of brands, competitors, events or user-specified topics across the web, and sends real-time alerts to users’ email inboxes, RSS feeds or Slack accounts. Users can customize alert settings including source type (news, Twitter, blogs, discussion forums), result language (22 available options), delivery frequency, and whether to receive all results or only high-engagement mentions. The service is free to use.
The Victorian Web is a site linking scholarship, teaching and learning since 1994. Its sections cover Victorianism, social, political and economic history, philosophy, science, technology, gender, authors, visual arts, music and theater, religion, texts, periodicals and places.
The Twayback Machine is a web tool that takes a Twitter @username and shows old tweets from that account. It was inspired by archive.org's Wayback Machine and by research on TweeTrolling.
UFO Casebook is a public online resource focused on unidentified flying object (UFO) related content. The site hosts case files, photographs, video recordings, research documents, and user forum discussions related to UFO sightings, alleged alien contact, and associated historical and government records. It also features reports of recent UFO sighting incidents from 2025 and 2026.
UFO Evidence is a website presenting research, resources, news and information on the UFO phenomenon. It includes sections on selected UFO cases, photographs, sighting reports, and articles on topics related to the UFO and extraterrestrial phenomenon. The site describes itself as one of the largest internet sites on the subject.
A research tool that visualizes 342 occupations from the Bureau of Labor Statistics Occupational Outlook Handbook, covering 143M US jobs. Rectangle area is proportional to employment, and color shows a selectable metric such as BLS projected growth outlook, median pay, education requirements, or AI exposure. Clicking a tile opens its BLS page.
Useful Forks is a web-based tool that helps users find useful forks of GitHub projects. It uses the GitHub API to retrieve repository metadata. Users can provide a personal GitHub Access Token stored in local browser storage to increase the API rate limit by nearly 5000 calls per hour. The tool allows configuration of the relative repository for commit diff calculations, with the default set to parent, and supports exporting scan results as CSV files.
VirHostNet is a bioinformatic information system for biocuration, data integration, analysis and visualisation of virus/host protein-protein interactions. It offers quick search by protein accession, keyword, taxonomy or PMID, BLAST protein sequence search, browsing by viral taxonomy and keyword annotations, and an Interology web service. The knowledgebase is shared in PSI MITAB 2.5 format via the PSICQUIC web service and distributed through NDEx.
is a website that gives you a free and comprehensive report about a specific website.
Web archiving project implemented by National Diet Library Japan.
Web Check is described as an all-in-one OSINT and security tool for revealing the inner workings of a website. It reports on items such as IP information, SSL certificates, DNS records, cookies, crawl rules and response headers.
WebNN is a web standard that lets web apps and frameworks accelerate deep neural networks using on-device hardware such as GPUs, CPUs, or purpose-built AI accelerators. The introduction states that in-browser inference supports local media sources, keeps user data on-device, and needs no network after initial asset caching.
WebScore is a website legitimacy checker that produces a detailed report on a scanned URL. The report includes columns for URL Scanned, Uses HTTPS, Domain Age, Wayback History and Google Safe Browsing.
Webscout provides intelligence on IP addresses for defenders of democracies and critical infrastructure. Its platform ingests network and intelligence feeds, adds context, detects threats, and supports investigation and response. It enriches IPs with data on geolocation, network ownership, VPNs, Tor, residential proxies, and provider attribution, delivered by API, bulk feed, or SIEM integration. It also offers honeypots and domain intelligence.
automates gathering website profiling data into a CSV from the "BuiltWith" or "Wappalyzer" API for tech stack information, technographic data, website
WriteCream is an AI writing platform offering 75+ tools for generating SEO-optimized articles, ad copy and cold emails. Its Lexi agent researches top search results, drafts articles and scores SEO in real time. A free forever plan without a credit card is offered. A separate tool generates Quora answers in several languages and tones.
Arbitrum Blog covers crypto news, blockchain markets, Web3 projects, and digital asset industry updates.
