Directory
Published directory entries matching your search.
OpenBulkURL is a free, no-registration website explorer that lets users open random websites from curated categories including fun, zen, creative, travel, and browser games. Users can also submit their own websites to add to the collection.
Reddit link is a Reddit community or thread with discussion, guides, updates, or shared resources.
Open Cantonese offers free Cantonese lessons covering speaking, listening, pronunciation, vocabulary and grammar. It also hosts the Cantonese Life textbook series and archived pronunciation guides for Jyutping and Yale romanization.
OpenCelliD is a community-built open database of cell towers and their estimated locations. Contributors record nearby cell identifiers with GPS locations, and the data is processed into cell location estimates. The dataset covers GSM, CDMA, UMTS, LTE and 5G NR networks and is available through an API and CSV downloads, supporting device geolocation without GPS.
OpenChaos.dev is a self-evolving open source project in which the community votes weekly on pull requests and the winning PR is merged. The site frames this as Control versus Chaos and lists past winners in a Hall of Chaos. It also references voting countdowns and a project tag cloud.
Research data portal for exploring humanities and social records, including datasets.
OpenClaw is an open-source AI assistant that runs on the user's machine and works from WhatsApp, Telegram or other chat apps. According to the site, it organizes inboxes, sends emails, manages calendars and checks users in for flights. Desktop apps are listed for macOS, Windows and Linux, and an enterprise platform is in development ahead of a 1.0 release.
OpenCode is an open source AI coding agent available as a terminal-based interface, desktop app, or IDE extension. It supports multiple LLM providers and local models, and does not store code or context data. Enterprise options include centralized configuration, SSO integration, and an internal AI gateway.
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.
The OpenConnect VPN server (ocserv) is an open source Linux SSL VPN server designed for organizations requiring a remote access VPN with enterprise user management and control. It secures VPN channels using standard protocols like TLS and Datagram TLS, and its performance scales linearly with the number of CPUs.
OpenContacts is a code project with source, releases, documentation, or setup notes.
OpenCulture hosts a page listing 1,700 free online courses from top global universities including Yale, MIT, Harvard, and Oxford. Many listed offerings are Massive Open Online Courses (MOOCs). Users can access free MOOC versions by selecting the “Full Course, No Certificate” option on edX or the “Audit” option on Coursera. Paid course certificates or credentials incur fees, and OpenCulture receives affiliate commissions from partner platforms Coursera, FutureLearn and edX for these paid enrollments.
OpenCV is an open source computer vision library that contains over 2500 algorithms and supports model execution for machine learning and artificial intelligence. It was designed to be cross-platform, written in C with C++ and wrappers for Python and Java, and runs on desktop and mobile systems. A GPU module implemented with CUDA provides acceleration for part of the library.
Public data portal for browsing datasets from Canton Geneva, Switzerland.
Browse government and civic datasets for Canton Neuchâtel, Switzerland.
Searchable public dataset catalog maintained by Ufficio di statistica Ticino.
Searchable public dataset catalog maintained by GIAL.
Searchable repository for finding biology datasets and datasets.
Search engineering data collections and supporting datasets from DEU.
Searchable repository for finding engineering datasets and image.
OpenDirectory helps research websites, public data, search results, or online communities.
OpenFace is a free and open source face recognition implementation with deep neural networks, written in Python and Torch and based on the CVPR 2015 FaceNet paper. It detects faces, aligns them, and embeds faces on a 128-dimensional unit hypersphere.
OpenFOAM is a free, open source computational fluid dynamics (CFD) software developed primarily by OpenCFD Ltd since 2004. It offers an extensive range of features for solving complex fluid flows involving chemical reactions, turbulence and heat transfer, as well as acoustics, solid mechanics and electromagnetics. Releases are scheduled every six months, and the software is distributed under the GPL v3 licence.
OpenFOAM is free, open source computational fluid dynamics software written in C++, owned by the OpenFOAM Foundation and distributed under the General Public Licence. It calculates fluid motion and forces, heat transfer, thermodynamics and chemistry in fluids and solids. It is produced by the core maintenance team at CFD Direct and is used in industry, government research and academia.
