An ArcGIS Hub open data portal from Ottawa Riverkeeper for discovering, analyzing and downloading data. Data can be downloaded in CSV, KML, Zip, GeoJSON, GeoTIFF or PNG, and API links are provided for GeoServices, WMS and WFS. Analysis is available through charts and thematic maps, with options to create StoryMaps and Web Maps.
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Owlbot is an AI chatbot platform for building AI assistants from documents and websites. It supports deployment on a website, mobile app, WhatsApp, Slack or API, and cites sources in replies. The page states that no code is required and lists 12 LLM models and 95 languages.
pandas is an open source, BSD-licensed library providing high-performance, easy-to-use data structures and data analysis tools for the Python programming language. It is described as a data analysis and manipulation tool built on top of Python. Documentation, a user guide and an API reference are available.
Paper is a Minecraft game server based on Spigot. It is designed to improve performance and offer more advanced features and API, with optimizations including asynchronous chunk loading and improvements to the light engine, hoppers and entities. It extends the Bukkit and Spigot APIs and is supported by a plugin repository called Hangar.
Papra is an open-source document archiving platform for organizing, securing and archiving documents. It offers organizations, document tagging, search, a developer API, webhooks, CLI and SDK, plus email ingestion that imports attachments. The project is available on GitHub under the AGPL-3.0 license and can be self-hosted. Paid plans add storage, members and intake email addresses.
Pastebin.com is a paste service that has operated since 2002, described as the number one paste tool. It allows users to store text online for configurable set time periods. The platform offers syntax highlighting for a wide range of programming and markup languages, optional paste settings, category and tag organization for pastes, and provides API tools and an FAQ for users. Some features require user login, and PRO membership is available for additional functionality including Markdown syntax highlighting.
Patrins is a file hosting platform for uploading, organizing and sharing files. Uploads can be made through a dashboard, drag and drop, CLI or API, and each file gets a shareable page with inline previews. It also offers folder organization, temporary uploads that expire, WebDAV drive mounting, upload widgets and per-file analytics.
PDFCrowd provides APIs and integrations for converting HTML, URLs, and web pages to PDF. It offers an HTML to PDF API, WordPress plugin, WebSave as PDF, and automation integrations including Zapier and Make, along with free online tools. Documentation covers several document and image APIs and client libraries.
PhishTank is a collaborative clearing house for data and information about phishing on the Internet, operated by Cisco Talos Intelligence Group. Users can submit suspected phishes, track the status of their submissions, and verify other users' submissions. It also provides a free open API for developers and researchers to integrate anti-phishing data into their applications.
PhotoRoom is an AI-powered photo editing and listing studio designed for e-commerce businesses and social media creators. It automates visual content creation, formats images for multiple online marketplaces, and provides tools including background removal, AI product photography, virtual try-on, batch processing, and API integration for large-scale workflows.
PhyloPic is an open database of free silhouette images of animals, plants, and other life forms. The silhouettes are available for reuse under Creative Commons licenses and can be downloaded for educational materials, research articles, and other projects. The site also offers API access and accepts uploaded silhouettes.
Physically Based is an open source database of physically based rendering values for CG artists, covering materials, light sources and cameras. It compiles values from publications, manufacturer documentation and user measurements, with each entry linked to at least one reference. The database is separate from the website and is built as an open API that can be integrated into applications as plug-ins, presets or web apps.
Picarta uses AI to predict where a photo was taken, returning estimated GPS coordinates, city, and country with confidence scores. It analyzes visual clues in the image rather than relying on EXIF metadata or embedded GPS tags. The project offers a web app and an API, with on-premise deployment for enterprise clients.
Pika offers self-contained AI creative tools for video, image and sound work. Tools include Video Studio for generating clips up to a 30-second multi-shot video, Color Grade for adjusting color and contrast, Extend Video for lengthening clips with extra frames, and Pika Soundtrack for scoring clips. Character Studio, Image Studio and Product Shot support image creation and editing. Support is available for the web, the iOS app and the API.
Pikwy is a free online website screenshot service that enables users to capture full-page screenshots of web pages via a single API call. It offers configurable options including resolution, width, height, image format, zoom and scale, and generates watermark-free screenshot outputs.
Piwigo is open source photo library and digital asset management software for managing, sharing and organizing photos and videos. It is offered as Piwigo Cloud, hosted in France, or as a self-hosted installation on the user's own infrastructure. Both versions share the same open source core and offer API access. Users can import media from multiple sources, organize it with albums, sub-albums, tags and metadata, and grant upload rights to third parties.
PokéAPI is an open RESTful API for Pokémon data, described as free and open to use. It offers a consumption-only interface where only the HTTP GET method is available on resources, and no authentication is required to access it.
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PolyUploader is a tool for uploading files from local storage or via URL to multiple hosting sites at once. It offers a detailed upload history with expiration status and delete buttons, and allows linking API keys for compatible hosts. It is available on Windows, Linux, and macOS, requires no account, and is open-source.
The City of Port Moody's open data portal lets users discover, analyze and download city data. Data can be downloaded in formats including CSV, KML, Zip, GeoJSON, GeoTIFF and PNG. API links are provided for GeoServices, WMS and WFS, and users can analyze data with charts and thematic maps.
Posting is an open-source API client that runs in the terminal. It supports building HTTP, GraphQL, and gRPC requests, inspecting responses, and keeping collections in Git alongside code. It is installable via Homebrew with a beta formula.
The Powder Toy is a free open-source desktop falling sand physics sandbox game. It simulates air pressure, velocity, heat, gravity, and interactions between various substances, providing building materials, liquids, gases, and electronic components for users to construct machines, terrains, or other creations. Users can browse and upload community saves, and the game includes a Lua API for automation and plugin development. Its source code is distributed under the GNU General Public License.
Pragtical is a free and open source code editor licensed under the MIT license. It runs on Windows, Linux and macOS, and is built on SDL, C and Lua. The editor supports syntax highlighting, multiple cursors and a command palette, with LSP and other features available as plugins, and can be extended via Lua and its C API.
Prediction Guard is a self-hosted AI control plane described as enforcing NIST and OWASP-aligned runtime controls inside an organization's security boundary. It offers Agent Forge for creating interactive and autonomous agents, and an OpenAI, Anthropic and MCP compatible API. The site lists a Docker Verified Publisher agentic program entry and a verified Agent Control Kit on Docker Hub.