Directory
Published directory entries matching your search.
Perspective Grid is a browser-based tool for drawing perspective grids. Users drag circles to adjust vanishing points, drag the grid to pan and scroll or pinch to zoom, and can hide the controls and capture a screenshot or generate a full resolution image.
Perspective Tools is a collection of interactive perspective grids intended as a guide for artistic or technical drawings. It offers 1-point, 3-point and 6-point curvilinear projections, with the page stating that more are coming soon. The tool was created by Ben Mansfield.
Petmate is a cross-platform C64 PETSCII image editor that runs locally on Mac, Windows and Linux without an internet connection. It supports drawing operations, multiple screens with undo stacks, and import or export of PETSCII formats including PNG, .c, .prg, .asm and .d64.
Photo Editor is a photo editing application for Android. It offers color adjustments, effects, drawing and text tools, cropping and rotation, and corrections such as red-eye and white balance. Images can be saved in JPEG, PNG, GIF, WebP and PDF formats, and metadata can be viewed, edited or deleted.
Pinta is a free, open-source program for drawing and image editing that combines an easy-to-use interface with tools such as a magic wand, clone and recolor. It offers real-time effects with live previews and unlimited undo, and is available on Linux, Mac, Windows and BSD.
PixiEditor is a free and open-source universal 2D graphics editor built around a Node Graph workflow. It combines pixel art tools, raster image editing, drawing, vector art and frame-by-frame animation in one desktop application that runs on Windows, Mac and Linux and works offline.
Pixilart is a free online pixel drawing tool. The source states that the tool allows users to make pixel art, game sprites and animated GIFs online for free. It also provides a free mobile app for creating pixel art on the go.
PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams. It supports diagram types including sequence, use case, class, object, activity, component, deployment, state and timing diagrams, plus non-UML diagrams. Images can be exported in PNG, LaTeX, EPS and SVG.
Playing Soviet is an interactive database of Soviet children's book illustrations drawn from the Cotsen Collection at Princeton's Firestone Library. The illustrations are selected and annotated by scholars and students of Russian and Soviet culture. The site says its data visualizations are still under construction and that its image database will grow by roughly 100 images a year.
Posemaniacs is a royalty free pose reference site for artists, offering 3D figure references and muscle references. The site also hosts tutorials and courses on drawing, and states its mission is to create free learning material for people who want to be an artist.
Pro Version is the premium tier of MandalaGaba, a free online tool for creating Zen geometry, mandalas, drawings, sketches, doodles and digital art. The Pro tier provides unrestricted combinations of radial symmetry, tessellations and recursion, fine cell adjustment, transparency controls, SVG export and additional creative features for designing and sharing artwork.
Prophy is an AI expert-identification platform for research funding and scientific publishing. It provides referee finding, panel composition, peer reports and institutional reports, drawing on a database of 199 million articles and 103 million researcher profiles. An API allows integration of referee-finding capabilities into other systems.
Puzzle Loop is an online Slitherlink puzzle game, also known as Fences or Loop the Loop. Players draw lines between dots to form a single loop without crossings or branches, and numbers indicate how many lines surround them. The site offers puzzles in several grid sizes and difficulty levels, including daily, weekly and monthly specials.
QCAD is a professional 2D CAD system with a clean interface and technical drawing tools such as layers, blocks, dimensioning and precision tools. Its core is available under a permissive open source license, and editions include QCAD Community Edition, QCAD Professional and QCAD/CAM.
Quickposes is a gesture drawing tool and image library for art students, illustrators and anyone wanting to improve drawing skills. Users select pose types and a time limit, then draw the essence of the pose before the image changes. Challenges are always 20 images each session, and a Random gestures mode exists for non-time-limit practice.
Ran Art Blog is a personal website by Ran, a realist painter and art instructor, dedicated to teaching drawing and painting. It features free tutorials, tips and techniques in its blog section, alongside a gallery of realistic oil paintings of seascapes, landscapes and animals.
RANDOM.ORG is a service that offers true random numbers derived from atmospheric noise. It provides free tools including a lottery quick pick, coin flipper, dice roller, playing card shuffler and list randomizer. The site also describes a paid Third-Party Draw Service for holding random drawings online. It states the service has existed since 1998 and was built by Prof. Mads Haahr of Trinity College, Dublin.
REFOLDdb is a tool for optimizing protein refolding, drawing on published methods used in refolding recombinant proteins. It offers a combined search using multiple inputs, along with statistics, BLAST search, help and download options.
Rephonic offers an interactive 3D audience graph for finding similar podcasts. It visualizes connections between podcasts drawn from Apple Podcasts' "Listeners Also Subscribed To" data, showing a show's neighbours and its neighbours' neighbours. The page notes it is best viewed on a desktop or tablet device.
Rnote is an open-source vector-based drawing app for sketching, handwritten notes and annotating documents and pictures. It offers pressure-sensitive stylus input, an infinite canvas and an adaptive UI, with PDF, bitmap and SVG import. It is available for Linux, macOS and Windows, and the file format is described as still unstable.
Scanner is a Windows application for WIA-compatible scanners that saves multiple pages as a single PDF or separate images. It includes a built-in editor for cropping, rotating, drawing with Windows Ink, renaming files and deleting or reordering pages, and is available in the Microsoft Store.
ScienceDaily is a science news site featuring breaking news about discoveries in science, health, the environment, technology and more, drawn from major news services, universities, scientific journals and research organizations. Visitors can browse more than 500 topics grouped into 12 main sections, with headlines and summaries posted daily.
Seaborn is a Python data visualization library based on matplotlib. It provides a high-level interface for drawing statistical graphics, and covers relational, distribution, categorical, regression and multi-plot grids, along with figure theming and color palettes.
Short Trip is a hand-drawn interactive work by Alexander Perrin focused on a tram driver, with elements including mountains and cloaked cats. A free web version is available, and a standalone purchasable release launches on Steam on December 11, 2024, adding a new scheduled mode and extra bonus features. The work supports optional audio toggles.
