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Published directory entries matching your search.
OpenIntro is a registered 501(c)(3) nonprofit that develops free, transparent educational products intended to lower barriers to education. It publishes statistics and mathematics textbooks, with a free PDF version of each textbook and affordable print editions, plus supporting resources such as slides and videos. Verified teachers can request desk copies and access statistics textbook solutions and sample exams.
OpenLearn provides educational lessons, courses, tutorials, or study material for self-learning.
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.
openmediavault is a free, open-source network attached storage solution based on Debian Linux. It provides services such as SSH, SMB/CIFS, RSync and a BitTorrent client, with web-based administration for storing, sharing and backing up data on hardware the user controls. Plugins extend the system with additional functionality.
OpenMetadata is an open-source AI context layer powered by metadata, semantics, and memory that provides a shared, rich understanding of data for people and AI. It was built by the founders of Apache Hadoop, Apache Atlas, and Uber Databook. The unified platform supports data cataloging, discovery, quality, observability, governance, lineage, and collaboration.
OpenMoji is an open source emoji project from students and professors at HfG Schwäbisch Gmünd and external contributors. It offers over four thousand emojis in colored and outlined styles, supports the Unicode Emoji standard and Fitzpatrick skin tones, and is free to use under the CC BY-SA 4.0 license.
OpenMPT (Open ModPlug Tracker) is a free tracker software for Windows that is a step sequencer supporting many tracker module formats. It can create and play back music, import a wide variety of module formats, and natively edit Impulse Tracker, FastTracker, Scream Tracker and ProTracker module files. It offers a native GUI, VST plugins and ASIO output.
OpenMW is an open-source reimplementation of the Morrowind game engine that supports playing Morrowind. The project publishes releases, currently version 0.51.0, with notes about scripting API additions, terrain vertex painting in its content file editor and save compatibility. Saves from newer releases cannot be loaded in older releases.
OpenMyFiles is an online file information directory. It provides categorized listings of file formats and associated programs, with top categories including archive, audio, data, raster image, spreadsheet, executable, vector image and video files.
Apache OpenNLP is a machine learning based toolkit for the processing of natural language text. It supports tasks such as sentence segmentation, tokenization, lemmatization, part-of-speech tagging, named entity extraction, chunking, parsing, language detection and coreference resolution. The project is developed by volunteers and welcomes contributions, from small documentation fixes to new components.
OpenOversight is a Lucy Parsons Labs project offering a public, searchable database of law enforcement officers. It maintains profiles and digital galleries consolidating information such as names, birthdates, news mentions, salaries and photographs, with officer information in 24 departments across 5 states and the federal government. Volunteers upload and sort officer photos.
OpenPanel is a multi-user web hosting control panel built around lightweight containers. Each user gets an isolated environment with a separate MySQL server, PHP version, Redis instance and root access. Administrators and resellers manage servers through the OpenAdmin panel, and the OpenPanel interface lets clients manage domains, websites, services and email. OpenCLI provides terminal commands for panel actions.
A page listing email applications across Windows, macOS, Android, iOS, Linux, browser plugins and webmail providers that support the OpenPGP standard, either directly or with additional software. The page states that its authors do not actively participate in developing these third-party apps and have not performed security audits.
OpenPhish is a privacy tool for blocking ads, trackers, popups, proxies, or unwanted web behavior.
OpenProxyList is a free directory of OpenVPN, HTTP/S, SOCKS4/5, and V2Ray servers. It states that servers require no registration and are free to use, and that the list is refreshed regularly. Its pages also include guides on SOCKS5 proxy use in Chrome and on transparent proxies.
OpenRA is an open source project that recreates and modernizes classic real time strategy games such as Red Alert, Command & Conquer and Dune 2000. Playtest builds add single-player content, multiplayer and skirmish balance changes, AI improvements and engine updates.
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.
OpenRGB is open source RGB lighting control software that does not depend on manufacturer software. It runs on Windows, Linux and MacOS, replacing proprietary RGB apps with a lightweight interface. It offers a network-based SDK with bindings for multiple languages and a plugin interface. Version 1.1 is referenced.
OpenRouter hosts an LLM ranking and AI leaderboard that ranks large language models by real-world usage metrics, specifically the volume of tokens processed through the OpenRouter API. It is intended to show which AI models are most widely used by developers.
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.
OpenSea is an NFT marketplace or protocol for buying, selling, minting, or trading digital collectibles.
OpenSecurityTraining2 provides educational videos, lessons, tutorials, or self-learning resources.
OpenShot is a free, open-source video editor for Linux, Mac, and Windows. It provides color grading and scopes, video effects, keyframe animation, timeline editing, transitions and wipes, interactive video masks, audio visualizations, and 2D and 3D titles. The project is written with Python and PyQt5, uses a C++ backend built on FFmpeg, and is distributed under the GNU General Public License.
Opensource Builders is a platform that helps users discover open source alternatives to popular proprietary software. It allows users to compare features and capabilities of different open source tools to identify the best options for their needs. The platform is an initiative of Openship, and its interface was adapted from a design by Maze Heart.
