OrtholugeDB is a database of Ortholuge-based orthology predictions for completely sequenced bacterial and archaeal genomes. It also contains reciprocal best hit-based ortholog predictions, in-paralog predictions and proposed ortholog groups. Users can compare orthologs across multiple genomes, obtain orthologs between two genomes or for a single gene, and filter results by strain.
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OSINT BIBLE is an open source search or OSINT resource for finding information across public web sources.
Ouroboros is an open-source, general-purpose AI agent whose identity, durable memory, and history continue across tasks and restarts. It coordinates a live swarm of specialist agents, works on external projects, and can rewrite its own code, architecture, prompts, tools, and dependencies. It runs as a native desktop app or a headless CLI, keeping its repository, memory, and history on the local machine.
P-tuning v2 is an optimized deep prompt tuning strategy that applies continuous prompts to every layer input of a pretrained transformer. It is described as comparable to fine-tuning across scales and tasks.
The Pacific Northwest National Laboratory DataHub is a searchable repository of scientific data and publications. The site offers filtering by category, content type and tags across topics such as biology, earth system science and computing. Listed content types include publications, datasets, people, projects, data sources, institutions and software.
Package Control is the package manager for Sublime Text. It is described as making it exceedingly simple to find, install and keep packages up-to-date. The documentation covers usage, settings, syncing packages and settings across machines, submitting and renaming packages, dependencies, events, and creating package files.
The Packrift Packaging Optimization Benchmark Corpus is a publicly available dataset generated from 1,000 exact-spec Packrift feed records, containing 24,000 SKU-specific benchmark pages across 24 operational page types for packaging optimization workflows, with public source ledgers, manifests, metadata, and solver fixtures to support auditability.
Pact is a cross-chain automated market maker and DeFi platform. Its aggregator routes swaps across every DEX on Algorand to find the cheapest fill. It offers concentrated, traditional AMM, and stable-swap pools with multiple fee tiers, plus farms for staking LP tokens and reward programs.
Browse live fixtures and viewing pages across supported sports through Palco.
Palworld Interactive Maps & Locations is a fan-made resource for Palworld by The Hidden Gaming Lair. It offers 164 interactive maps covering locations across Palpagos Island, The World Tree and other areas, alongside a database of Pals, items, recipes and technology, plus tools including a Breeding Calculator and an IV Calculator.
parsec-cloud helps upload, sync, or manage files across cloud storage, remote drives, or shared storage services.
Paste Skimmer is a modern paste search engine developed by L33Tech. It enables users to search content across paste sites on the internet, and was created as a replacement for an outdated similar tool. The service is hosted on a Google Sites page.
pCloud is a Swiss-based secure cloud storage service. It allows users to store, sync, and share files including photos and documents across any device, with up to 10 GB of free storage available. Users can choose to store their data in data centers located in Europe or the United States, and the service uses encrypted data centers for file protection.
pCloud Transfer helps upload, sync, or manage files across cloud storage, remote drives, or shared storage services.
PDF Drive is a free online platform that provides access to downloadable PDF eBooks across categories including drawing, comics, science and health. It offers faster previews, a personalized experience, and the ability to convert files to EPUB or MOBI format, with options to send downloads to email or Kindle. A premium account option is also available.
PeanutBase is a collaborative community resource that integrates genetic, genomic and trait data across Arachis species to support peanut improvement. It provides genome browsers, gene and trait search tools, a BLAST server, germplasm and gene expression resources, and downloadable data sets, with much of the data also accessible through ArachisMine.
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.
Video search engine for finding videos across multiple platforms and independent video sources.
Phantom Wallet is a crypto wallet for storing, sending, receiving, and using digital assets across networks.
PhenoCam is a cooperative continental-scale phenological observatory that uses imagery from networked digital cameras to track vegetation phenology across ecosystems. Its image archive includes over 60 million pictures, and imagery and data are made publicly available in near-real time. The PhenoCam Dataset V3.0 includes almost 5000 site-years of data from 738 sites.
(USA) An AI search engine specifically for developers that provides direct answers with code examples and context from across the web.
Searches Reddit images, posts, and user submissions across visual communities.
Phys.org is a science and technology news platform that provides daily coverage of research developments, technological breakthroughs, and scientific innovations. It publishes general science news across fields including quantum physics, ecology, and astronomy, alongside feature stories covering health, medicine, and space science.
Physics Forums is an online community of scientists, mathematicians, engineers and students. It hosts discussions across physics, math and engineering, with members able to post threads and replies. The site offers guidance on homework help with a required posting structure and lists subscription perks for gold members.