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Published directory entries matching your search.
The Perry-Castañeda Library Map Collection is a holdings collection hosted as part of the University of Texas Libraries GeoData platform. The collection includes thousands of maps, including military topographic maps of regions across Europe, Asia and other areas. Individual map entries include details such as scale, map type and descriptive notes about map series, including information about how relief is represented on the maps.
Search publications, authors, citations and related academic metadata.
Browse digitized texts, images, archives and cataloged cultural materials.
Petaporon is a browser-based piano roll sequencer for composing music, with songs exportable to mp3. It offers 10 instrument sets and supports saving song data to a text file that can be reloaded by dragging it onto the tool.
Petastorm is a library developed by Uber for deep learning model training and evaluation. It supports single-machine and distributed workflows with datasets in Apache Parquet format, is compatible with TensorFlow, PyTorch, and PySpark, and can be used via pure Python code.
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.
pgvecto.rs is an open-source tool that provides scalable, low-latency, hybrid-enabled vector search for PostgreSQL. It is designed to enhance vector search capabilities without modifying the core database system, per its official GitHub repository.
Phenaki is a Google Research model that synthesizes realistic videos from textual prompt sequences. It uses an encoder-decoder tokenizer for variable-length videos and a transformer that translates text embeddings to video tokens, trained jointly on image-text and video-text data.
Phi Phenomenon is a website that studies great films by combining data from hundreds of lists to determine consensus best films. It presents a master list ranked by director, actor, year, genre, and nation of origin, alongside notes on different film tastes and a list of top films according to regular film fans. The site also includes an FAQ, method, and references pages.
PhiloBiblon is a free internet-based bio-bibliographical database of texts written in Romance vernaculars of the Iberian Peninsula during the Middle Ages and early Renaissance. The legacy version's data were frozen on 1 January 2025, and the active version is available through the PhiloBiblon Viewer. It consists of four bibliographies: BETA, BIPA, BITAGAP and BITECA.
Browse digitized texts, images, archives and cataloged cultural materials.
Repository of Pädagogische Hochschule St. Gallen in Switzerland.
PhishStats is a phishing database and real-time feed used in cybersecurity research since 2014. It allows searching phishing URLs, IPs, domains and threat scores via a web interface or REST API, with API access subject to tier quotas.
A search engine that accepts a few digits and generates a list of possible valid phone numbers, intended for OSINT needs. The page labels it an advanced valid phone number generator and provides United States state and rate center selections.
Photo Araba is the online portal for the dissemination of the photographic heritage held by the Archivo de Álava. The site hosts more than 230,129 available photographs and offers both simple and advanced search functionality to browse its continuously growing collection.
The Photographic Periodic Table of the Elements is an online periodic table reference site. It includes technical data, along with photographs and descriptions of thousands of samples of the chemical elements. Clicking an element shows more information.
Photonix is a photo management application that ingests a photo collection and builds a searchable image database. It offers an image organizer and viewer, version tracking and de-duplication, multiple users, sharing, and slideshows, and makes the collection accessible from a web browser. Image analysis includes color analysis, location detection, object recognition, and face detection and recognition.
Research index for locating articles, books, authors and citation information.
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.
Pi-hole is a network-wide ad blocker installed in one place so every device on a network is protected. It runs in Docker or on a supported Linux distribution and is used as a DNS server, with a web interface, built-in DHCP server, group management and allow/deny domain rules. Pairing it with a VPN extends protection on mobile data and public Wi-Fi.
Pianos.pub is a community map that catalogs street and public pianos worldwide. It lists exact locations, photos, sightings and availability reports, and combines public datasets, historic social posts, personal knowledge and user contributions. Every piano keeps a history of sightings, comments and availability reports, and users can submit missing instruments.
PicView is a picture viewer for Windows 10/11 and macOS that supports various image formats, including animated WEBP and GIF, SVG, AVIF, HEIC, PSD and comic book archives. It offers EXIF data display, image compression, batch resizing, image effects and galleries. Portable and installable versions are available.
PiGallery2 is a self-hosted directory-first photo gallery website optimized for low-resource servers, especially Raspberry Pi. It offers a photo viewer with an information panel, maps using photo location data, and advanced searching with boolean logic, negation, exact and wildcard matching. Installation is possible via Docker or native setup.
pigz is a parallel implementation of gzip for multi-processor, multi-core machines. It is a fully functional replacement for gzip that exploits multiple processors and cores when compressing data. It was written by Mark Adler and uses the zlib and pthread libraries.
