Orion Icon Library is an icon tool offering free SVG and PNG icons. The site lists 3,415 free SVG vector icons and describes an advanced interactive web app with line, solid, color and flat styles, plus a free plan and an unlimited plan.
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Panda is a frontend design resource for CSS frameworks, UI components, and web interfaces.
ParaView is an open-source, multi-platform data analysis and visualization application built to analyze extremely large datasets using distributed memory computing resources. It runs on Linux, macOS and Windows, from laptops to supercomputers, and includes readers for many file formats and more than 200 filters. It can also run in situ using ParaView Catalyst and in a web browser using trame.
Pegasus Online is a page dedicated to classic games and the NES console, offering old online games such as Super Mario Bros., Battle City, Dr. Mario, Contra, Bomberman and Super Mario All-Stars. A menu lists games by popularity and links to Flash, Gameboy, PS1 and N64 titles.
Piano Sheet Music is a frontend design resource for CSS frameworks, UI components, and web interfaces.
Picasso is a tool that turns simulator screenshots into App Store screenshots. It adds device frames, supports localization via a strings file, and can upload screenshots to App Store Connect. The editor requires no design experience, and the app supports over 40 device frames and every Apple platform. It requires iOS 17 or macOS 14 (Sonoma).
Pie Chart Maker is a free online tool for creating pie charts. Users enter labels and values, and can configure options such as background color, legend position, pie hole for a doughnut chart, 3D display and slice text. Charts can be downloaded as jpg, png or svg files.
PikPng is a community site offering a large selection of free transparent PNG images, cliparts and icons in high resolution. Images come mainly from user email submissions or direct uploads, each manually reviewed, plus some collected from public domains. Downloads are free and unlimited for personal, educational and non-commercial use, and the site provides search and filtering.
Pitch is a collaborative presentation platform for teams to create, share and deliver presentations. Slides can be created from a prompt, and the Free plan offers 100 AI credits, unlimited presentations, custom templates, basic sharing links and two external guests.
Pixeden is a provider of digital design assets, services and tools for the creative community. Since 2010 it has offered exclusive web and design assets, and it launched Orion Icon Library in 2017 and Pixeden Music in 2019. In 2022 the membership platform was rebranded as Pixeden Club.
Pixel Joint is a pixel art gallery and community site featuring a large gallery, forum, mockups, games, links, icons, downloads and sprites, along with weekly showcases, a hall of fame, news and pixel art challenges.
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.
PlayEmulator.Online is a browser-based site offering HTML5, NES, SNES and GBA games playable without downloads. It lists over 1202 games across eight or more categories, including Capcom, N64 and Nintendo DS titles, with popular titles such as Pokemon FireRed Version.
PlusPNG is a library of transparent PNG images, logos and clipart. The site states that its collection contains more than 180,000 free transparent PNG image files. Images are intended for non-profit purposes only, and the site mentions that PlusPNG.com launched in August, 2017.
PNGHut is a database of free to download transparent PNG images, with user-created and uploaded content. Uploading is available to members after an account period; images are available for personal and editorial use, with a premium account required for commercial rights.
poll.ly (branded as pollly) is a free online tool for polling and brainstorming that does not require user registration. It is designed to help users gather ideas and opinions in real time, and is described as fool-proof.
Xoyondo's polling apps create opinion polls and anonymous polls. Opinion polls show which participants voted for which option, while anonymous polls keep voting confidential. The page states the apps are simple and free, with no registration required.
Polltab is a free poll maker for creating polls with images, reportedly in seconds and without signup. Polls are shared by link, with real-time results and voting secured by social login. Optional settings include multiple choice, captcha-based bot prevention, and hiding results until a poll ends. The site also references bracket polls, captcha and IP guards, account-only voting, and live result streaming.
PostSpark is a screenshot editor and beautifier. Users can add backgrounds, browser frames, shadows, text, arrows and blur, then export as PNG, JPG, WebP or copy to clipboard. A URL can be entered to capture a website, or the Chrome or Firefox extension can be used. Free exports are unlimited with no watermark and no account needed.
PPTX Presentation Generator is a software project that creates PowerPoint (PPTX) presentations. The repository includes an overview, feature list, setup instructions, and guidance on how to run the tool effectively.
Presenton is an open-source AI-powered presentation tool available in multiple deployment options: as a cloud application, self-hosted software for user-controlled infrastructure, and via an open API for automation. It generates editable PPTX and PDF slide decks from text prompts and uploaded documents, supports local deployment via Docker, and features a public community gallery of user-created decks, with no vendor lock-in for users.
Presentator is an open-source design feedback and presentation platform. It supports leaving comments directly on designs, building clickable prototypes through annotations and hotspots, and sharing public or password-protected preview links. A Figma plugin exports designs, and the app can be used hosted or self-hosted.
Presenton is an open-source AI presentation generator and API, licensed under Apache 2.0. It creates presentations from a prompt, an uploaded document, or a PowerPoint design, works with providers such as OpenAI, Gemini, and Ollama, and exports fully editable PPTX or PDF files. It runs fully self-hosted in web through Docker or as a desktop app for macOS, Windows, and Linux.
Mockup generator for creating app screenshots, device frames, and product presentation images.