Directory
Published directory entries matching your search.
LXCat is an open-access website of the Plasma Data Exchange Project for collecting, displaying and downloading data needed to model low-temperature plasmas. It holds community-contributed databases on scattering cross sections, swarm parameters, interaction potentials, oscillator strengths and publications.
Meaning of is the personal blog of Kenny Bastani, covering open source software, graph databases, cloud native architectures, information theory, artificial intelligence, and machine learning. As of September 18, 2025, the blog is no longer maintained, with readers directed to the author's GitHub or LinkedIn profiles.
Meertens Instituut Collecties is the collection resource of the Meertens Institute, which conducts research on Dutch language and culture. Its holdings include over 70,000 books, 4,000 journal titles, more than 180 digital collections, thousands of hours of audio recordings, and over 500 paper collections and archives, with core thematic focuses on variational linguistics and ethnology. The platform offers access to databases, library catalogues, archives, audio collections, and a physical reading room for analogue materials.
Michiganvoters.info helps search voter-registration records, voter databases, or public election-related data.
The MultiDark Database provided results from cosmological simulations performed within the MultiDark project. It could be queried by entering SQL statements directly into a Query Form, and access to the public and private databases was password protected, requiring registration. The site notes that MultiDark has moved to CosmoSim, where its application is integrated, and the old server is no longer available.
Name-Reaction.com presents organic chemistry reactions with detailed, step-by-step mechanisms. Each step is shown without shortcuts, with colour-coded lone pairs and reaction arrows. Hovering over a reaction name gives a schematic preview of reagents, conditions and products, and references are retrieved from science journal databases in ACS style with links to article titles and DOIs.
The National Earthquake DataBase (NEDB) is a set of separate databases forming the national repository for raw seismograph data, measurements and derived parameters from Canadian and other seismograph networks. Its Parameters database holds information on Canadian earthquakes since the 16th century, and its Stations database holds seismograph station data.
The National Nuclear Data Center hosts databases of nuclear structure, decay and reaction data. ENSDF contains evaluated data for 3,171 nuclides, and NuDat provides nuclear structure and decay information. EXFOR holds experimental nuclear reaction data, and ENDF provides evaluated reaction data in the ENDF-6 format. XUNDL covers experimental nuclear structure and decay data.
Neon is a serverless backend platform built on Lakebase Postgres, offering Postgres databases with branching and autoscaling alongside authentication, object storage, functions and an AI gateway. Environments can be created and branched via MCP, CLI and SDK, and services are described as instant, branchable and agent-ready.
Online hub for open, community-curated paleoecological and paleoenvironmental data, supporting global-change research and education. It hosts constituent databases and data, including pollen, vertebrate fauna, charcoal, stable isotope and geochronologic records.
The National Library of Scotland (NLS) collects and preserves materials documenting Scotland's history and culture. It provides access to printed, moving image, digital, archive and manuscript collections, eResources and databases, and offers research support including a librarian query service.
Notion is a collaborative workspace for capturing knowledge, finding answers across apps, and automating tasks. It offers block-based docs, databases, AI meeting notes, enterprise search across Notion, Slack, and Jira, and agents for team workflows. Features include wikis, teamspaces, real-time collaboration, data syncs, forms, imports, and mobile apps.
Guide to search tools and databases that surface information outside conventional web indexes.
Ohiovoters.us helps search voter-registration records, voter databases, or public election-related data.
Oklahoma Voters Search helps search voter-registration records, voter databases, or public election-related data.
Oklavoters.com helps search voter-registration records, voter databases, or public election-related data.
OpenRefine is a free, open source tool for working with messy data. It enables users to clean data, transform it between formats, and extend it with web services and external data. All data processing occurs locally on the user's machine rather than in cloud services. Key features include faceting to drill through large datasets, clustering to fix inconsistencies by merging similar values, reconciliation to match datasets to external databases, infinite undo/redo functionality, and support for contributing to Wikidata and other Wikibase instances.
opensourcealternative.to is a free directory that bills itself as the world's largest collection of open source software alternatives to proprietary products. It hosts over 500 open source alternatives to popular proprietary tools, and reports that over 2 million users have replaced proprietary software with options found on the platform. Listed alternatives include game engines, business suites, observability platforms, communication tools, and databases.
Pathway Commons collects and disseminates biological pathway and interaction data from partner databases, represented in the BioPAX standard. It provides search, visualization and web services, downloadable files in BioPAX, SIF and GMT formats, and tools such as PCViz, CyPath2, PaxToolsR and ChiBE. All data and software are free and open-source.
PDBj, the Protein Data Bank Japan, maintains the global PDB/BMRB/EMDB archives of macromolecular structures. Its website provides integrated tools for searching and analyzing PDB data, along with data deposition, standard format downloads, molecular viewers, derived databases and an educational service. PDBj is a member of the Worldwide PDB.
PDFiles is a site for downloading PDF ebooks, described as offering many electronic books in Arabic and English, including technical references. It lists English and Arabic book sections, categories such as Android, databases, programming and networks, and a latest books section with titles available to download.
PeptideAtlas is a multi-organism, publicly accessible compendium of peptides identified in tandem mass spectrometry proteomics experiments. Each atlas build is made by searching spectra against sequence databases or spectral libraries, assigning probabilities to peptide-spectrum matches and selecting matches that pass a threshold. Builds are named for a species or subproteome, such as Human Plasma, and the search function covers only default builds.
PhysioBank is an archive of annotated, digitized physiologic signals and time series, organized into more than 50 databases with over 36,000 recordings. The recordings are freely available from PhysioNet. A browser-based PhysioBank ATM allows viewing records and annotations or obtaining limited samples in text format. PhysioToolkit software can read data directly from the PhysioNet server without downloading files first.
Pleco is a Chinese language reference and learning app for iPhone, iPad, and Android. It offers OCR lookup, handwriting lookup, licensed dictionary databases, audio recordings, flashcards, a document reader, a screen reader for Android, and animated stroke order diagrams.
