The Chinese Clinical Trial Register is a primary registry of the WHO International Clinical Trials Registry Platform. The website provides a trial search, registration guidance, and policy documents. It includes statistics by country, disease code, institution, and registration status.
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ExpertFile is a platform that helps organizations transform expert knowledge into visible authority across search, AI, and their websites. It offers a no-code solution to assemble expert hubs and structured expert profiles, connects experts with media, prospects and event organizers, manages media and event inquiries in a single system, and distributes expert content across search engines, AI indexes, and media databases to improve expert discoverability.
GeoSeer is a search engine for spatial web services. It is used to find WMS, WFS, WCS, and WMTS datasets for use within a GIS. The site states that searches cover over 3.5 million distinct spatial datasets hosted on over 400,000 live services worldwide. Search options include service type, EPSG code preference, exact phrases, exclusions, and boolean logic.
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.
The New Zealand National Vegetation Survey Databank is a repository for vegetation survey data. Users can search for and download datasets through metadata, species and maps, view scientific names and NVS species code lists, and access the NVS Express tools and developer resources. Datasets may be open access or require the owner's permission before download.
Presearchofficial is the official GitHub repository for Presearch, an open source decentralized search engine powered by its community. The repository hosts the project's source code and associated resources for the search engine platform.
The Beckett Digital Manuscript Project is a collaboration between manuscript and textual research centres to reunite the manuscripts of Samuel Beckett's works in digital form. It brings together digital facsimiles of documents held in different libraries and adds transcriptions, tools for bilingual and genetic version comparison, a search engine, and analysis of textual genesis. Access to the archive requires an access code.
OSINT Toolkit Website Information is a collection of tools for researching websites, IP addresses, domains, emails and MAC addresses. It lists lookups including Ping Website, Whois, reverse Whois, network and TLD lookup, IP history and geolocation, MAC vendor lookup, DNS report and header and source code search. The page states that some tools require the IP address, email address, domain name or MAC address of the target.
A custom OSINT tool from Aware Online Academy for investigating a target website. It provides scripts to view historical WHOIS data, check website text and source code on third-party sites, visualise links, map web pages, check Reddit presence, find open FTP ports and find other top level domains.
The WURM project is a database of computed physical properties of minerals. It provides crystal structures, calculation parameters, dielectric properties, Raman spectra with peak positions and intensities, and infrared spectra with peak positions. Calculations are performed within density-functional theory and density-functional perturbation theory using the ABINIT code. The site offers lists of minerals and spectra and a search function.
The Data Visualisation Catalogue is a project by Severino Ribecca that provides a non-code-based library of information visualization types. The site serves as a learning and inspiration resource, offering a searchable guide to chart methods such as bar charts, heatmaps and treemaps. Example images mostly use dummy data.
{JSON} Placeholder helps developers write, search, review, test, or manage code and projects.
The @unitedstates project is a shared commons of data and tools for the United States. It includes detailed data on members of Congress, scrapers and parsers for congressional work, a stand-alone legal citation detector, a parser for the US Code, licensing guidelines, bill nicknames, inspectors general data, contact form tools, district shape files, public domain photos, and a glossary of congressional terms.
A community catalog of user interface resources built by design engineers, including React components, templates, shadcn themes, shaders and gradients. Components are indexed and searchable, can be previewed live, and ship as AI-ready prompts for tools such as Cursor, Claude Code and Lovable. Every component has an author.
accessible-color-matrix helps developers write, search, review, test, or manage code and projects.
Acode helps developers write, search, review, test, or manage code and projects.
Active-Forks helps developers write, search, review, test, or manage code and projects.
ALEXA is a collection of genomic methods for alternative expression analysis, identifying and quantifying alternative mRNA transcripts produced by alternative transcript initiation, splicing and polyadenylation. The site provides supplementary materials, source code and downloads for studies and the ALEXA-Seq method for alternative expression analysis by massively parallel RNA sequencing.
AmpWhat is a lookup and reference tool for Unicode and HTML symbols, entities and characters. It offers hex or decimal codes for punctuation marks, mathematical symbols, icons and more, and lets users search and copy characters.
AnimateCode helps developers write, search, review, test, or manage code and projects.
Apple helps developers write, search, review, test, or manage code and projects.
Arena helps developers write, search, review, test, or manage code and projects.
A minimal web reader for the King James Version of the Bible, organized into the Old and New Testaments. It presents the text without ads, commentaries or notes, and its source code is available on GitHub for viewing or reporting issues.
Artificial Intelligence: A Modern Approach is the official companion site for the 4th US edition of the AI textbook of the same name, authored by Stuart Russell and Peter Norvig. The textbook is the most widely used AI textbook, adopted by over 1500 schools. The site provides supporting resources including the book's table of contents, code, course materials, exercises, figures, and errata.