Directory
Published directory entries matching your search.
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.
The Perth & Kinross Council Open Data portal, through Open Perth and Kinross, publishes council data as open data. The council states it is freeing up data to generate economic and social value, promote transparency in governance and support Perth's effort to become a smart city. The platform covers the whole of Perth and Kinross, offers maps and graph visualisation tools, and welcomes suggestions for datasets.
A Julia framework for probabilistic graphical models.
pgmpy is a Python toolkit for causal and probabilistic reasoning using graphical models. It implements data structures for models such as DAGs, PDAGs, MAGs, PAGs, Bayesian Networks, Dynamic Bayesian Networks and Structural Equation Models, with algorithms for tasks including causal discovery, causal identification, inference, model validation, parameter estimation and simulations. Algorithms follow a unified composable API and are scikit-learn compatible when possible. It is available on PyPI and conda.
Photo Demon is a GitHub repository or organization with source code, releases, documentation, or project resources.
PhotoDemon is a free, portable, open-source photo editor for Microsoft Windows. It requires no installation, administrator rights or internet access, and can run from a USB stick or SD card. The build offers more than 200 tools, including layers, selection tools, paintbrushes, content-aware fill and resize, plus support for PSD, PSP and XCF files. It is available under a permissive BSD license.
PhotoFunia is a free online photo editing site with a library of picture effects and photo filters, organized into categories such as frames, filters, posters and billboards. Users select an effect, upload a photo, and the site produces edited images; text effects are also available. The site offers mobile and feature-phone versions.
PhotoJoiner is a free online tool with a collage maker and a photo joiner. The collage maker provides templates, grids, stickers, backgrounds, text and doodle tools. The photo joiner merges two or more photos horizontally or vertically without cropping, with adjustable canvas size, borders, text and stickers.
Photopea is a free online photo editor that runs directly in web browsers with no required downloads or file uploads. It supports professional file formats including PSD and RAW, and offers editing tools such as cropping, resizing, layering, masking, and blending. All processing occurs on the user's device, so files never leave their hardware.
PhotoGIMP project that adjusts GIMP's layout and shortcuts to feel more familiar to Photoshop users.
Physics Aviary provides a collection of interactive tools for physics education, including graphing aids, circuit visualizers and simulations. Programs can be opened by clicking a picture or title, and a search engine helps locate a particular tool.
PicFont is a web tool for adding text to photos. Users can upload an image from a computer or device, choose a canvas size, and add text with effects such as curved text, glow, gradient and textures. The finished image can be downloaded for free. Its page states that designs can start from templates, models and illustrations.
Image search site for finding photos, graphics, and related visual results from the web.
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.
PipeWire is a Linux project focused on improving audio and video handling on the platform. It provides a low-latency, graph-based processing engine for multimedia devices, supporting use cases previously managed by PulseAudio and JACK. The project includes a security model designed to facilitate audio and video access for containerized applications, with primary support for Flatpak. It supports audio and video capture and playback with minimal latency, real-time multimedia processing, multiprocess content sharing, and compatibility with PulseAudio, JACK, ALSA, and GStreamer applications.
Piskel is a free, open-source web-based editor for spriting and pixel art. It creates pixel art, game sprites and animated GIFs, and is best used in a desktop browser in landscape orientation. The tools include a live animation preview and export to GIF or PNG, including spritesheets. A separate child-friendly version, Piskel for Kids, is available. Free desktop and offline applications exist for Windows, OSX and Linux.
Pixi Editor is a GitHub repository or organization with source code, releases, documentation, or project resources.
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.
Pixlr is a free online AI-powered photo editor and image generator that requires no installation. It provides tools for photo editing, AI image and video generation, face swapping, background removal, and collage creation, powered by AI models including Flux, Kling, and Veo.
Pixnio is a repository of public domain and royalty-free stock photos. Images are described as free for personal and commercial use without attribution. Visitors can download and use images, and photographers, illustrators and graphic artists can upload and share their own work. Uploads are accepted in JPEG and PNG formats, with a suggested minimum of 8MP resolution.
A service that generates placeholder images for designs as sub-kilobyte Scalable Vector Graphics (SVG). Image URLs define size, colours, and an optional short label, and images can be requested in any size or colour.
Visual web design and app builder for creating React sites, pages, and design-driven components.
Playground is an AI design tool for creating logos, stickers, merch, posters, social media graphics and other designs without experience. It provides templates across 24 categories and uses image models including GPT Image 2, Nano Banana Pro and Seedream. Paid plans add faster generation, credits, upscaling, background removal and commercial use licensing.
