HTML widgets are R packages that produce interactive web visualizations, working like R plots. A line or two of R code produces a D3 graphic or Leaflet map. Widgets run at the R console and can be embedded in R Markdown reports and Shiny web applications. The page lists widget examples including Leaflet, dygraphs, Plotly and Highcharter, and describes composing dashboards with flexdashboard and linking widgets with crosstalk. New widgets can be developed by bridging R and JavaScript.
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Import.io is a web data extraction and AI infrastructure platform. It converts website content into structured data, and provides web scraping tools, managed data services, pricing intelligence, and MCP tools for AI agents. It supports use cases across multiple industries including retail, ecommerce and AI development.
Analyst reporting on cybercrime marketplaces, underground actors, ransomware and stolen-data trends.
Kitco provides live gold and silver prices, metals news and analysis, mining news, and market commentary. Its site covers ETFs, FOREX, Bitcoin and crypto, and stock markets, with live spot metal pricing and an exchange and metal value calculator.
Mining the Social Web is a technical manual focused on social web analysis, being overhauled for a third edition as of 2019 by Matthew Russell and co-author Mikhail Klassen. The project originated at PyCon 2016 in Portland, Oregon.
NewsBlur is a personal news reader for following RSS feeds and web feeds on web, iOS and Android. It offers intelligence training that filters stories by author, tag, title and full text, plus AI-powered story analysis and daily briefings. Stories can be archived and searched, and saved with custom tags. The software is open source.
Pirsch Analytics is a privacy-friendly, open-source web analytics tool presented as an alternative to Google Analytics. It is cookie-free, integrates via a tracking script, plugins, or API, and omits consent banners. The tool offers dashboards with filters, session analysis, custom event and conversion goal tracking, and imports data from Plausible, Fathom, and Google Analytics.
PrankHotline is an automatic prank calling application. It allows users to send anonymous pre-recorded prank calls to contacts, record live reactions, use a two-phone mutual call prank feature, and access premium features via a token system earned through social media engagement. All prank calls require user consent for recording.
Privacy Watch tracks privacy-focused cryptocurrencies, ranking coins such as Monero, Zcash, Zano, Pirate Chain and Litecoin by shielded market cap and dominance. It states a selection based on privacy technology, resistance to blockchain analysis, and ecosystem criteria including a market cap over $100 million. A chart covers the privacy market cap and its share of total market cap.
RacketBoy is an online public forum for gaming hobbyists. It hosts dedicated discussion sections for general gaming, retro gaming, game reviews, gaming setup showcases, gaming culture analysis, and off-topic conversation. The forum also includes a marketplace for buying, selling, and trading gaming-related goods, with post activity tracked across all sections as of October 2026.
Random Screenshot helps analyze websites, rankings, screenshots, traffic estimates, or public web statistics.
Rank Engine helps analyze websites, rankings, screenshots, traffic estimates, or public web statistics.
Ranker helps analyze websites, rankings, screenshots, traffic estimates, or public web statistics.
RAWGraphs is a free and open source tool for data visualization. It is a web app that offers almost 30 visual models to visualize quantities, hierarchies and time series. Data inserted is processed only by the web browser, and projects can be saved or exported as vector or raster images.
Research and explainers on dark-web investigations, criminal forums and threat-intelligence methods.
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.
Sherlock is a web3 security platform that combines private audits, audit contests, AI-assisted analysis and bug bounties. It describes an audit engine that coordinates AI security approaches into one validated result, and collaborative audits staffed by security researchers. The site states it has conducted over 1,000 audits and reports more than 11,000 security researchers.
A price guide for English Pokémon Trading Card Game cards run by a collector in the Netherlands. It aggregates market data from multiple sources to provide daily pricing information, complete set lists, rarity breakdowns and analysis tools, with US and European market data comparison.
Traffic Simulation is a web-based microsimulation tool for modeling traffic flow dynamics. It includes modules for onramp flow, car-following behavior, and lane-changing behavior, with offline source code available on GitHub.
Update Faker is a harmless prank website that displays fake system update screens for multiple operating systems including Windows 10, Windows 11, Windows XP, Windows 98 and Apple Mac OS X. It is designed to prank friends, family or colleagues who leave their computers unattended, with optional fullscreen mode and bluescreen of death effects for added immersion. The site states pranks should not be harmful or last long.
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.
Websim supports software development with code generation, analysis, debugging, or documentation.
Websim AI supports software development with code generation, analysis, debugging, or documentation.
Wiki Stats helps analyze websites, rankings, screenshots, traffic estimates, or public web statistics.