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DoodStream is a video hosting service where users can upload videos, share them and make money. Uploads are possible via browser, FTP, remote URL and API, and many popular video formats are supported. Free users' videos are removed after 60 days, while premium users' videos are never removed. Premium bandwidth can be purchased to remove ads and the logo from the video player. Legal adult content is allowed.
A custom deployment of Mozilla's PDF.js generic viewer packaged as a Web Extension, adding a reader mode that changes PDF colors plus features such as Auto-track Document Outline, Smart Zoom text and a Show/Hide toolbar. In Firefox it replaces the built-in PDF.js viewer; in Chromium browsers it coexists with the native viewer and opens PDFs via a context menu or toolbar button.
doRiNA is an archived site whose content is no longer maintained. The page states the site was archived to focus on new projects, with links preserved. It notes that a list of regulators, the dorinaHub via UCSC Browser, and GitHub pages for dorina and webdorina remain available.
Dorothy is a free and open source desktop app for orchestrating Claude Code, Codex, Gemini, Grok and local agents. It runs multiple agents simultaneously, each in an isolated PTY terminal session, and includes a Super Agent that delegates tasks to other agents via MCP tools, plus Kanban task management and scheduled tasks.
Down, operated by Mdia Load, is a free file upload and sharing service. It supports standard file uploads, remote URL uploads, file copying, and drag-and-drop file selection. Users can send files via recipient email, add password protection to links, and upload files to folders, with a maximum individual file size of 10240 MB. Premium paid plans are available for additional features.
DownloadHardware.com presents a satirical service that claims to download hardware upgrades via the cloud, listing parts such as memory, processor, graphics card, storage, wifi card, cameras, TPM module and RGB. It states that new hardware is downloaded to the system while the old one is uploaded to the cloud for others.
dplyr is an R package providing a grammar of data manipulation with a consistent set of verbs, including mutate(), select(), filter(), summarise() and arrange(), which combine with group_by(). It is designed to abstract over how data is stored, so the same R code works with local data frames and remote database tables via the dbplyr package.
Drexel University is a research university in Philadelphia, Pennsylvania. It delivers experiential, technology-infused education via a co-operative education program. The university reports 96% of its undergraduate graduates are employed full-time or enrolled in graduate or professional education within one year of graduation, and it ranks in the top 50 U.S. national universities per 2027 U.S. News & World Report rankings.
An open-source collaborative file sharing and document management platform built with Django and React. It provides file and folder upload, browser previews, online document editing via the WOPI protocol, and sharing with granular access control.
DrivingSimulator is a 3D driving simulator developed by FrameSynthesis Inc. that operates on Google Maps. It allows users to drive vehicles for activities including safe driving, off-road travel, parking, circuit racing, and global exploration. Steering is controlled via left and right arrow keys, while up and down arrow keys manage forward and reverse movement; mobile devices use a virtual control stick. The project’s development is suspended due to Google Maps API usage costs, the page may cease functioning at any time, and no feature requests will be addressed.
Dropmatico is a browser-based image workflow tool with two engines. The Single Image Editor renders one master image for each destination, while the Bulk Image Processor handles up to 16 images per session for a single destination. Processing runs locally via the Canvas 2D API, with no uploads, account or analytics. Presets cover 90+ destinations across 34 platforms.
Drumhaus is a browser-based drum machine and beat sequencer with 8 voices and 16 steps. It supports chainable patterns with per-step velocity, flam, ratchet and accent, per-voice filters, pitch and decay, and a master effects bus with reverb, compressor, phaser and saturation. Beats can be exported to WAV and presets shared via link. It is free and requires no account.
dua (Disk Usage Analyzer) is a Rust tool to conveniently learn about the disk usage of directories. It is parallel by default and optionally deletes superfluous data. An interactive mode is launched with dua i for exploring and deleting files. It is distributed via Cargo and various package managers.
Duckie provides AI support agents that resolve customer support tickets end to end. The agents learn from a knowledge base and are described as autonomous customer support. Duckie is presented as an agentic platform for support teams, with workflows written in plain English and connections to tools via MCP, APIs and native integrations.
Durable is an AI-powered business builder platform. It enables users to create websites with AI, improve discoverability via SEO and GEO, manage customers, and use AI marketing tools within a single application.
dut is a disk usage calculator for Linux. It produces an ASCII-art disk usage tree, counts hard links accurately, has a configurable output format, and allows setting the maximum depth of files shown via a command-line argument.
) - NIP-90 image generation DVM (kind 5100) in Go, paid via Lightning
) - NIP-90 text generation DVM (kind 5050) in Go, paid via Lightning
Easyupload.io is a free file upload and transfer service. Users can upload files up to 4 GB and share them via a link. Free accounts store files for up to 30 days. Premium accounts allow larger files and extended storage. Features include high-speed uploads, encrypted transfers, drag-and-drop, and a FAQ section.
eBird is a project associated with the Cornell Lab of Ornithology. Users access eBird via a shared Cornell Lab account, which also provides entry to other Cornell Lab projects including Bird Academy, Birds of the World, Celebrate Urban Birds, Great Backyard Bird Count, Macaulay Library, Merlin, NestWatch and Project FeederWatch.
Echosync is folder synchronization software for Windows and Linux that updates a destination folder from a source folder by applying only differences. It detects moved and renamed files, supports portable mode, and performs unidirectional synchronization. It supports paths longer than 255 characters and symbolic links, and can copy locked files via Volume Shadow Copy when run with administrator privileges.
Embed Generator is a free Discord embed generator. It lets users design embeds, buttons and select menus in a visual editor and send them through a webhook or bot. Messages can be saved, scheduled and reused. An AI assistant builds messages via chat, and username and avatar can be set per message sent through a webhook.
A community-driven site about Xbox Developer Mode emulation. It describes activating Dev Mode through Microsoft's developer portal, installing emulators via a network browser, and adding legally owned backups, and features emulators including XBSX2, Dolphin and RetroArch. A compatibility page links to reports for emulators such as Xenia Canary, Citra, BoxedWine, ChonkyStation 3, OpenBOR and XBSX2/PCSX2.
Encrypt Pad is a minimalist secure text editor and binary encryptor that implements the RFC 4880 Open PGP format. It provides symmetric encryption, compression, and integrity protection for files, and supports protection via passwords, key files, or both.
