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The Database of Zeolite Structures provides structural information on Zeolite Framework Types approved by the Structure Commission of the International Zeolite Association. It is searchable and includes framework descriptions and drawings, crystallographic data, simulated powder diffraction patterns, references and framework chemical compositions. A separate database describing disordered zeolite structures is integrated under the Intergrowths tab.

DataRich

richmond.gov.uk

DataRich is the data and information website for Richmond upon Thames, open to everyone. It provides statistics and analysis for the borough under themes including population, economy and employment, health and social care, transport and travel, crime, community wellbeing, housing and environment. It contains 2011 Census data and a profile of key facts, drawing on sources such as the Office for National Statistics, NOMIS, DCLG and Neighbourhood Statistics.

Dia

dia-installer.de

Dia is free, open-source drawing software for creating structured diagrams. A Windows version is available as a free download, and the download page also provides packages for Mac OS X and Linux. The software is released under the GNU General Public License, GPLv2.

Digital South Asia Library

dsal.uchicago.edu

The Digital South Asia Library offers dictionaries, gazetteers, photographs, prints, drawings, maps, statistics, bibliographies, indexes, books and journals for reference and research concerning South Asia. Its collections cover reference resources, bibliographies, images, maps, books and journals, and statistics from the colonial period onward.

Dimensions

dimensions.com

Dimensions.com is a reference database of dimensioned drawings and models documenting standard measurements and sizes of everyday objects and spaces. Its resources are offered to professional designers, students, and the public. It was founded by architect Bryan Maddock and is developed through the architecture practice Fantastic Offense. Downloads are available in 2D formats (.DWG, .SVG, .JPG) and 3D formats (.3DM, .SKP, .OBJ).

DoArtDaily

dad.gallery

Do Art Daily is a site for developing artists to track their art progress and build a drawing habit. It lists active and upcoming art challenges with start and end dates. Users can log in, submit artwork, post comments, and participate in forum discussions.

DoesItPlay?

doesitplay.org

DoesItPlay? is a project working to ensure games remain accessible now and always. The site publishes physical game reviews across platforms including PS5, PS4, Xbox Series X, Switch and older consoles, and presents statistics on offline play and download requirements drawn from 3632 entries.

Doot runs live party games for a room. A host puts a trivia round, drawing game or poll on a screen, participants join from their phones; no app or account is required to play. Listed games include Retro Arcade, Quiz or Die, Quip Clash, Bingo, Categories and Fib Finder.

DrawAFish

drawafish.com

DrawAFish.com is a simple online drawing game in which users draw a fish and watch it swim in a global tank with other users' fish. It allows creating, sharing and voting on fish drawings.

Drawingbooks.org provides free and open drawing and art instruction. It hosts public domain and open source art books, described as legal and free of copyright restrictions in the U.S. Titles listed include The Drawings of D. G. Rossetti, The Human Figure, Constructive Anatomy, and Book of a Hundred Hands.

DrawIsland

drawisland.com

DrawIsland is a free online drawing tool for sketching, painting and digital art in the browser without a download. It includes multiple brushes, an eraser, flood fill, editable text, shapes, object selection with layer ordering, opacity, stroke and shadow controls, image adjustments and a layers panel on an 800 × 520 px canvas.

DrawPile

drawpile.net

Drawpile is a free, open source collaborative drawing program that lets multiple people draw, sketch, paint and animate on the same canvas at once. It also works offline as a lightweight drawing program. It is available for Windows, macOS, Linux and Android, plus a browser version.

DungeonFog

dungeonfog.com

DungeonFog is an online TTRPG map editor for creating custom battle and world maps for games such as Dungeons & Dragons, Pathfinder and Cthulhu. Users draw dungeons, buildings or overland terrain maps and populate them with assets, then export or print them or play inside DungeonFog. The asset library holds over 3,000 assets.

Durdraw

durdraw.org

Durdraw is an open source ASCII, ANSI and Unicode art text editor for UNIX-like systems such as Linux and macOS. It runs in modern UTF-8 terminals and supports frame animation, 256 and 16 color modes, mouse drawing, CP437 and Unicode conversion and custom themes. It also includes Durfetch, an animated system information tool, and Durview, an ANSI art pack viewer.

DutchNews.nl

dutchnews.nl

DutchNews.nl is a news website providing Dutch news and current affairs in English for an international audience. It reports on politics, economic developments, crime, sport and Dutch culture, and its news copy draws on research, media coverage, press releases and Dutch newspaper articles. The site was founded in 2006 and also offers a daily digital newsletter.

Early days of AI - by Elad Gil

blog.eladgil.com

Early days of AI is a blog post by Elad Gil that discusses the early development of machine learning systems and the AI hype cycle. Gil argues that recent advances like transformers and diffusion models represent a new era, distinct from previous AI. He draws on his experience at Google, Twitter, and as an investor.

EarthCamTv

earthcamtv.com

EarthCamTV is a streaming TV channel presenting live HD destination webcams from around the world. It draws on EarthCam's global network of more than 1,500 destinations. The app is available for Amazon Fire TV, Android TV, and Apple TV.

ECWolf

maniacsvault.net

ECWolf is a source port for Wolfenstein 3D, Spear of Destiny, and Super 3D Noah's Ark based on the Wolf4SDL code base. It draws code from ZDoom and aims to provide mod editing capabilities without modifying source code. For players it offers control binding, widescreen resolutions, and unlimited save slots. It runs on Windows, Mac OS X, Ubuntu, Linux, and Android.

Embossify

embossify.com

Embossify.com is an online design utility that converts JPEG images and drawings into 3D STL meshes suitable for 3D printing or CNC routing. It produces lithophanes, reliefs and other 3D design elements by tessellating a JPEG pixel by pixel into a topographic model of the image's brightness. Low resolution renderings are free; high resolution renderings cost $5 each.

Etherpad

etherpad.org

Etherpad is a real-time collaborative document editor that runs on the user's own server. Every keystroke is attributed to its author and revisions are preserved, with a timeslider for reviewing a document's history. The Apache 2.0 code supports plugins for comments, images, tables, drawing, video chat, authentication and optional AI features.

FAXVIN

faxvin.com

FAXVIN provides instant vehicle history reports covering title history, accident records and odometer readings. Reports may draw on licensed data providers and official databases, and coverage varies by vehicle, jurisdiction and source. A report is not a substitute for a physical inspection or independent verification. FAXVIN reports also include a 0–100 vehicle history metric called CarRank.

FireAlpaca

firealpaca.com

FireAlpaca is free digital painting software for Windows and Mac, available in 10 languages. It offers customizable brushes, weekly original brushes, five brush textures, and post-drawing line adjustment, along with tools such as frame work, animation, gradient map, and 3D perspective grid.

FliiipBook

fliiipbook.com

FliiipBook is a web app for drawing frame-by-frame animations and exporting them as GIFs in the browser. It includes onion skinning, timeline controls and keyboard shortcuts, and works best on desktop or tablet.

Flowchart.js draws SVG flowcharts from a text code definition parsed with flowchart.parse and rendered via drawSVG. Diagrams require JavaScript and use the Raphaël library. It supports symbol types including start, end, operation, subroutine, condition, inputoutput and parallel, and accepts options for styling and flow states.