Directory
Published directory entries matching your search.
CTF Sites is a collection of Capture The Flag sites that the creator states contains only permanent CTFs. It lists platforms for learning hacking and information security challenges in categories including best, beginner, and general CTF sites.
CTFlearn is a platform for learning and competing in capture-the-flag challenges. It offers hundreds of challenges for testing skills and a community for learning cybersecurity with others, and describes itself as a beginner-friendly way into hacking. A free account can be created.
CTFtime.org is a site about Capture The Flag competitions. It provides an archive of past events and writeups, a calendar of upcoming events, team ratings and rankings, and a comparison feature. Organizers can submit events, and visitors can browse tasks, writeups and teams.
CUNY Academic Works is a service of the CUNY Libraries that collects and provides access to the research, scholarship, and creative and pedagogical work of the City University of New York. Its content is freely available to all. Subject areas include publications and research, theses, dissertations, and capstones, and open educational resources.
CURATOR is Chiba University's open-access repository, capturing, preserving and making publicly available digital materials from research activities on its campuses. Items include peer-reviewed articles, theses, preprints, statistical and experimental data, course materials and software. It also provides guidance on publishing research outputs and on copyright.
Data Science Degree @ Berkeley refers to the UC Berkeley School of Information's online Master of Information and Data Science (MIDS) program. The program is designed for working professionals, features a rigorous holistic curriculum, flexible program paths, and a capstone component, and is nationally recognized by Fortune.
Find published open datasets through filters, categories and keyword search.
Ego-Exo4D is a large-scale multi-modal, multi-view video dataset and benchmark of simultaneously captured ego-centric and exo-centric video of skilled human activities such as sports, music, dance, and bike repair. It includes natural language datasets, multi-view capture with Aria glasses and GoPros, and benchmarks including Keystep Recognition and Proficiency Estimation.
This guide covers installing and debloating JDownloader 2, a free download manager that splits files and handles captchas, wait times, and host limits. It walks through a clean installation and steps to disable ads and nag screens through advanced settings.
Design Arena is a global crowdsourced benchmark for AI-generated design. It allows users to challenge, vote on, and crown winning design outputs, access category-specific leaderboards for assets including websites, slides, images, video, audio, and code, and use top AI models to generate a wide range of design and development assets. Millions of users across over 190 countries use the platform to discover and compare AI model capabilities.
Deskto.ps is a site that hosts annotated desktop screenshots. The page lists captured desktops, naming window managers or desktop environments such as dwm, SwayFX, berry, XFCE4, labwc, leeloo and i3 alongside operating systems including OpenBSD, Arch, NetBSD, Debian, Alpine, Void Linux and Gentoo, with upload dates and download links.
Digital Commons @ Buffalo State is the open access campus repository for scholarly and creative works produced by faculty, staff, and students. It is managed by E. H. Butler Library and promotes the discovery, dissemination, and preservation of intellectual capital. Its collections include schools and departments, archives and special collections, theses and projects, datasets, journals, events and conferences, OER, and the M. Fordham History Center.
The Digital Lunar Orbiter Photographic Atlas of the Moon reproduces the 675 plates of the Lunar Orbiter Photographic Atlas by Bowker and Hughes (NASA SP-206). The digital archive adds multiple search capabilities for locating images and features, updated surface feature information, and companion images with feature annotation. The annotated overlay symbols are intended only as locators, not for precise measurements.
Digital Porous Media Portal, formerly Digital Rocks Portal, is a data portal for storage, retrieval, sharing, organization and analysis of images of porous micro-structures. It hosts public datasets and lets users manage, preserve, visualize and analyze images and related measurements such as porosity, capillary pressure and permeability for modeling porous material properties.
Direct is a tool that allows users to chat directly with leading frontier AI search models. It enables comparison of model outputs, prompt testing and exploration of capable AI systems in a single interface. The page includes a notice that inputs are processed by third-party AI and responses may be inaccurate.
Direct is a service that enables users to interact directly with leading frontier image generation AI models. It allows users to compare outputs across models, test prompts, and explore capable systems in a single interface. The service states that inputs are processed by third-party AI and responses may be inaccurate.
A free, browser-based zine maker that lays out an eight-page folded booklet on a single sheet of US Letter or A4 paper. Users upload photos to panels with contain or cover fit, add captions, reorder panels, and export a print-ready JPG or PDF at 300 DPI. The editor runs entirely in the browser with no account or sign-up.
DownThemAll is a browser extension that adds advanced download capabilities, letting users download links or images on a website and refine downloads with customizable filters. It allows queuing, pausing and resuming downloads and is integrated into the browser.
DPAN is a deaf-led 501(c)(3) nonprofit multimedia production company that operates DPAN.TV, a sign language channel. It produces American Sign Language (ASL)-centric content including video productions, ASL captions and transcripts, media dubbing, audio work, ASL data collection solutions, and educational projects such as the PopSign ASL learning game. It has partnered with PBS on projects related to the Americans with Disabilities Act.
Drafts is a quick-capture text app for iPhone, iPad, Mac and Apple Watch. It opens to a new page with the keyboard ready, and new entries go into an Inbox where they can be tagged, flagged or archived. Text can be moved to other apps and services through actions.
Dreamina is an AI tool operated by CapCut. It offers an AI avatar generator that converts photos into realistic talking avatars with lip sync, and provides image and video generation functionality to bring user ideas to life. The platform also includes showrooms featuring content for short films, marketing, and design use cases.
Dreamina is an AI-powered creative tool developed by CapCut. It enables users to create realistic talking avatars from photos using an AI avatar generator and lip sync functionality. Additionally, it offers image and video generation capabilities to bring ideas to life. The platform supports various creative applications, including short films, marketing, design, e-commerce, cartoons, and anime. Users can generate content from text, images, or video inputs.
Dual Monitor Tools is a free Windows utility collection for users with dual or multiple monitors. It provides hotkeys for moving windows between screens, cursor locking, an application launcher, wallpaper creation and rotation, and a screen capture tool that shows images from the primary monitor on the secondary one.
EarthCam operates a network of live streaming webcams at tourism and landmark locations worldwide. Founded in 1996, the company also provides webcam technology and managed services, including time-lapse cameras and 360° reality capture, for corporate and government clients. The site derives revenue from advertising and content licensing.
