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Published directory entries matching your search.
NoteDiscovery is a self-hosted Markdown knowledge base described as free and open source. It includes wikilinks, graph view, a drawing editor, LaTeX math, and Mermaid diagrams, along with AI assistant integration via MCP. Notes are stored as plain Markdown files in folders, and the project offers a Docker-based setup.
Obsidian is a free and flexible note-taking app that stores notes privately on the user's device, including offline access. It supports links between notes, a graph view of relationships, Canvas for visual layout, and thousands of plugins and themes. Obsidian Sync provides end-to-end encrypted sync across devices, and Obsidian Publish turns notes into an online site. Optional add-on services are billed per user or site per month, billed annually.
Obsidian Mobile is a free mobile app for iOS and Android that brings Obsidian's desktop features to phones and tablets. It includes tabs, a command palette, plugins and custom hotkeys, and core plugins such as graph view work the same as on desktop. A customizable toolbar and touch-friendly gestures are included.
OG Image Generator is a free web tool for creating open graph images, social media previews, and Twitter cards. It offers customizable templates, fonts, and optional app screenshot support, exporting images as 1200×630 PNG files.
OMG SPACE is a series of visuals created as a graphic design thesis project to illustrate the true scale of the solar system. All planets, including the sun and dwarf planets, are shown to scale, as are their distances from the sun, at a ratio of 1:647. Created in 2011 by Margot Trudell, the site's data is only current to early 2011, with minor design and development updates in 2015.
Typed graph database where agents branch and merge like Git. S3-native, Rust, traversal + vector + BM25 in one runtime.
One Page Love is a gallery showcasing single-page websites, templates and resources, hand-picked since 2008. It was launched in March 2008 by Rob Hope. The site presents one-page website design examples and section examples.
Online Photo Editor is a browser-based photo editing tool on PhotoEditor.com. It supports cropping, resizing, rotating, flipping, blurring, sharpening, filters, effects, frames, text and shapes, and processes edits in the browser without uploading the image. The site states no registration is required and the editor is free.
OpenCore Legacy Patcher is a tool that supports installing macOS updates and enabling newer features on older hardware. It uses the OpenCore boot manager to perform in-memory protocol upgrades that are never permanent, and does not patch firmware. It also supports older graphics, WiFi and Bluetooth chipsets.
OpenModelDB is a community-driven database of AI upscaling models, intended as a way to find and compare models. It distributes pretrained model files and describes upscaling as increasing image or video resolution with machine learning.
A page on the Organic Chemistry Portal that lets users browse synthetic transformations by desired bond formation through a graphical index with links. It also explains target-oriented synthesis, which develops a short high-yielding route to a specific molecule via retrosynthesis, and diversity-oriented synthesis, which builds libraries of varied compounds for screening.
OSDev Wiki helps explore knowledge, places, timelines, entities, or reference information from open sources.
Pa11y is a set of free and open source tools for automated accessibility testing of web pages. The command-line interface loads pages and highlights accessibility issues, while Pa11y Dashboard tests pages daily and graphs improvements and regressions. Pa11y Webservice is the JSON-based webservice behind the dashboard, and Pa11y CI iterates over a list of pages for use in CI.
PabloDraw is an Ansi/Ascii text and RIPscrip vector graphic art editor and viewer with multi-user capabilities. It uses the Eto.Forms cross-platform framework for native UI on Windows, macOS and Linux, and Version 3.3 is described as still in alpha.
pacwall is a live wallpaper that changes the wallpaper to the dependency graph of packages installed with pacman. Each node is a package and each edge represents a dependency between two packages. It highlights outdated packages, orphans, and packages with .pacnew files, and is bundled with systemd units for regeneration. It requires shell command hooks to set the wallpaper.
Paint of Persia is a rotoscoping pixel-art tool for drawing on top of any window or wallpaper. It is made for pixel-art animation and sprites, with scale and transparency control and export of single frames or sprite sheets. It works with Windows 7+, and the macOS version is an alpha that may contain bugs.
Online editor for creating intros, outros, clips, motion graphics, and visual templates.
Paperspace is a cloud GPU platform now owned by DigitalOcean. It provides access to NVIDIA H100 GPUs for AI and machine learning workloads, rendering, 3D graphics, simulations and cloud gaming. Users can develop, train and deploy AI applications on the platform, which is used by over 500,000 builders. Its product offerings include Gradient for AI model development, hosted notebooks, cloud desktops and deployment tools, with solutions tailored for machine learning, enterprise virtual desktops, gaming and rendering use cases.
Park School Mathematics is a site presenting a series of mathematics books, from Book 1: Reasoning and Proving through Book 10: Functions and Models II, plus additional custom books. Book pages list lessons covering topics such as combinatorics, linear equations, quadratic models, graph theory, geometric proof, circular functions, algorithms, logarithms and recursion.
PatternPad creates graphical patterns from adjustable parameters, offering millions of variations and hand-picked colour palettes. Designs can be exported in PNG, JPG or SVG format for use in presentations, social media or branding. The site states that PatternPad is free of charge and that patterns may be used commercially with credit and a link to PatternPad, though the artwork itself may not be resold.
PBNify is a service that converts photos into custom paint-by-number designs. Users upload an image and preview a generated numbered design with a matching color guide. Free print-at-home files are emailed, including a printable canvas PDF and color guide. Complete paint kits with canvas and paints can be ordered, shipped from Columbus, Ohio. Supported formats include JPEG, PNG, GIF, WEBP, HEIC and AVIF, up to 20MB.
PDF Arranger is a small python-gtk application that merges or splits PDF documents and rotates, crops and rearranges their pages through a graphical interface. It is a front end for pikepdf and a fork of PDF-Shuffler. It supports image file import if img2pdf is installed.
Open source design and prototyping platform for UI teams, components, and collaborative design.
Open source design and prototyping platform for UI teams, components, and collaborative design.
