Directory
Published directory entries matching your search.
Pingo is an experimental lossless and lossy image optimizer for PNG, JPEG, WebP and APNG files, designed to transform image data for the Web. It runs from the command line with optimization levels and quality settings. Its license permits free use for exclusive private usage only, and does not permit repackaging, redistributing, downloading, reselling or reusing it through other services, even for non-commercial purposes.
Search an online collection of books, documents, media and archival records.
Pirsch Analytics is a privacy-friendly, open-source web analytics tool presented as an alternative to Google Analytics. It is cookie-free, integrates via a tracking script, plugins, or API, and omits consent banners. The tool offers dashboards with filters, session analysis, custom event and conversion goal tracking, and imports data from Plausible, Fathom, and Google Analytics.
The Pittsburgh Queer History Project (PQHP) is an oral history and media initiative founded in 2012 that focuses on LGBTQ after-hours nightlife in Pittsburgh, Pennsylvania between 1960 and 1990. Its core program is Miss 89 (MS89), a series of in-person intergenerational media archive events featuring rare film screenings and other activities to support collective, cross-generational memory sharing. The project also hosts public events.
A browser-based tool for interactively creating and editing tables and exporting them to plain text. It supports ASCII and Unicode characters, configurable horizontal and vertical headers, and selectable border styles. The script runs entirely in the browser, and entered data is not saved to a server.
Database of public social media posts by law-enforcement officers reviewed for accountability research.
The Plains to Peaks Collective is a collaborative initiative for libraries, archives, historical societies and museums in Colorado and Wyoming to share their digital cultural collections with a broader public audience. It provides resources for participants including a digitization toolkit, DPLA search widget, and guidance on digital stewardship, copyright, metadata management, and participation in shared digital projects.
A database listing aviation accidents from 1908 through the present, browsable by category, airline and operator, with sections for accident photos, statistics, famous deaths, last words and an accident map. Each entry records date, location, operator, aircraft type, registration, occupants and fatalities.
Planespotters.net is a civil aviation database with 1 million photos and information on 50,000 aircraft. It provides information on registrations, airframes and airlines, along with aviation photos, latest deliveries and photo news.
PlayCo-opGame is a database of co-op and multiplayer games. It lists titles by player count and mode, including split-screen, LAN and online support, and provides tutorials on multiplayer mods and downloading.
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.
PlayTracker is an app that connects to gaming platforms and combines their data, including games, achievements and stats. It offers cross-platform profiles, social feeds, challenges and estimates. A web version is available, with an ad-supported Windows desktop app and mobile apps listed as coming soon. Paid Indie and Pro subscription tiers exist for professionals.
Pleco is a Chinese language reference and learning app for iPhone, iPad, and Android. It offers OCR lookup, handwriting lookup, licensed dictionary databases, audio recordings, flashcards, a document reader, a screen reader for Android, and animated stroke order diagrams.
Digital library at the University of Patras.
Ploomber is a tool for building data pipelines. It offers a YAML API and a Python API, and its features include caching previous pipeline results and running on Kubernetes, Airflow, AWS Batch or SLURM. It can convert monolithic notebooks into modular pipelines. The repository was archived on Jul 12, 2025 and is read-only.
PlowTO is a City of Toronto map service. According to the city page, the map is unavailable during the summer months while routine maintenance is completed, and the service resumes in the winter season when snow-clearing operations begin.
plugdata is a free, open-source visual audio programming environment and a modern fork of Pure Data. It offers VST3, AU, CLAP and LV2 plugin export, includes the ELSE and Cyclone libraries, and supports Daisy hardware and code export. It runs as a standalone app, a DAW plugin, or on embedded hardware.
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.
PocketBase is an open-source backend tool distributed as a single file. It includes a realtime database, user authentication, file storage, and an admin dashboard. It can be used as a standalone application or extended via Go and JavaScript hooks, and integrates with common frontend development stacks.
Podstatus is a site for browsing Apple Podcasts and Spotify podcast charts by country and category. It refreshes Apple chart data throughout the day, and Spotify publishes its podcast charts daily. The site describes a chart as a snapshot rather than a lifetime league table.
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.
Polaris is a web-based integrated library system developed by III for public libraries. It supports library staff workflows, administrative functions, and patron services. The system is built for consortium-scale operation and can function across varied library environments, with features to connect to other library systems and associated services.
Caspio database for searching police decertification records and related public reports.
Map and dataset of police surveillance technologies and locations in Chicago.
