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Published directory entries matching your search.
OpenAlex is an open catalog of the global research system. It indexes half a billion scholarly works, including associated authors, institutions, sources, and topics. The data is freely available for search, analysis, and reuse through a web application, API, and bulk download.
Open Drone Logbook helps find books, reading material, archives, or public-domain educational texts.
The Open Exoplanet Catalogue is a decentralized, open-source database of discovered extrasolar planets. The website displays the catalogue in a browser, while the data is stored as human-readable XML files in a git version control system. Contributions and corrections are accepted from professional astronomers and the public, and data can be downloaded from the GitHub repository.
Open Government Portal provides a searchable catalogue of Government of Canada open data. It lists datasets by publisher, format, subjects and update frequency, and includes guidance on working with datasets. The source describes open data as machine-readable, freely shared and reusable without restrictions.
Open Knowledge Maps is a nonprofit, open science AI-based search engine for scientific knowledge. It provides visual overviews of research topics, helps users find relevant research outputs and identify key concepts. The platform searches over 400 million outputs from more than 11,000 sources, with results based solely on underlying metadata to avoid hallucinations.
Open Library is an open, editable library catalog building toward a web page for every book ever published. Users can read, borrow and discover more than 3M books for free, and contribute corrections and new information like Wikipedia. It also provides APIs for book discovery and lookup services.
Open Music Theory helps find books, reading material, archives, or public-domain educational texts.
Read practical guidance on starting and contributing to open-source projects.
The Open Textbook Library is a catalog of open textbooks licensed by authors and publishers to be freely used and adapted. It offers 1887 open textbooks, supported by the Open Education Network, and lists new and forthcoming titles.
Open Yale Courses is a free educational resource providing full sets of materials for Yale undergraduate courses. Each course includes high-quality recorded video lectures, syllabi, suggested readings, exams, and problem sets. Lectures are available as downloadable videos, audio-only files, and searchable transcripts. Some previously listed courses have been removed and are now accessible via Yale's official Coursera platform.
Discover research publications, data and software.
Reddit link is a Reddit community or thread with discussion, guides, updates, or shared resources.
OpenColorIO is an open-source color management solution geared towards motion picture production, with an emphasis on visual effects and computer animation. OCIO is integrated and ready to use in many major software packages.
OpenDyslexic is a typeface designed against some common symptoms of dyslexia. The newest version uses the SIL-OFL license, permitting personal, business, educational, commercial, books, ebook readers, applications and websites. It can be downloaded and used for free without mandatory fees, and optional donations and Patreon subscriptions are offered.
OpenMapTiles is an open-source stack for building world maps with OpenStreetMap vector tiles. It includes a vector tile schema, ready-to-use map styles, and tools for generating vector tiles. It works with MapLibre GL, Leaflet, OpenLayers, GIS, and WMTS. The project was created by MapTiler, which maintains the schema and tools.
OpenSCAD is free software for creating solid 3D CAD models, available for Linux/UNIX, Windows and Mac OS X. It is not an interactive modeller; instead it reads a script file describing an object and renders the model. It focuses on CAD aspects rather than artistic modelling and provides constructive solid geometry and extrusion of 2D outlines.
Digital archive of poetry readings by Oregon poets.
OSBoxes provides ready-to-use virtual machine images in VDI, VMDK and VHD formats for VirtualBox and VMware. The site offers images of Linux and Unix systems that can be downloaded and run as a virtual machine on a host system, avoiding installation alongside the main operating system.
Oxford English Dictionary helps learn languages with dictionaries, reading tools, lessons, pronunciation, or study resources.
Page by Page Books offers hundreds of classic books that can be read online for free in a page-by-page format. The collection spans authors from Aesop to H. G. Wells, and the site provides browsing by author or title.
PANDORA is Australia's Web Archive, a collection of Australian online publications established by the National Library of Australia in 1996 and built with nine other libraries and cultural collecting organisations. Its content forms part of the Australian Web Archive, which is searchable in Trove. The site lists titles by subject and alphabetically.
Paper Panda is an academic paper search platform that provides access to 250 million research papers. Users can locate paper PDFs, verify open access status, explore related citations, and access full-text PDFs in one click. The service reduces time spent navigating paywalls, login requirements, and redirect pages when retrieving research content.
Paper2Galgame is proprietary software that turns academic papers into interactive visual novels using AI. Users upload PDFs to generate story-driven explanations and can study with anime partners or custom characters. It also offers document parsing, chapter-by-chapter reading, voice, and blackboard notes. Its source code is not publicly available.
News discovery site that groups current stories and headlines into a simple visual reading feed.
