paidfor checks who delivers after an agent pays
A free checker for x402 sellers, designed to help AI agents assess a seller before paying in USDC.
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Titles, domains, summaries, categories, signals, dates, and editorial-interest scores across the entire published catalogue.
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133,861 catalogue cards
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PawJudge’s pet-symptom triage
A free guide helps dog and cat owners weigh whether a symptom calls for urgent care, a call in the morning, or close monitoring, with reported vet-cost ranges.
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PODSIZE compares 11 NVIDIA AI-cluster reference architectures
A Korean-language reference-architecture comparison and sizing workspace, with views for GPU counts, racks, power, cooling, network topology, and storage.
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Populon keeps population categories country-specific
A searchable reference for population figures by ethnic category, drawn from official statistics and other country-specific sources.
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Lower Levels Ledger: a field guide to Probably Stolen
An unofficial, detailed guide to the systems, scenarios, and launch-week updates of the cyberpunk shopkeeping game Probably Stolen.
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Quaymoor: The Ferry That Arrived Empty
An Indonesian-language investigative RPG casts you as Inspector Lenka Haas, probing a 1979 harbor ferry that arrives with no crew or passengers.
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RecorderCompare counts the subscription, not just the device
A browsable comparison of AI pendants and voice recorders by two-year cost, recording-data policies, support status, and developer access.
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República em Jogo turns Brazil’s development into a scoreboard
A civic data project compares Brazil with major economies across education, inequality, institutions and other measures, wrapping source-linked indicators in a sports tournament.
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Ringfall: Fallen Frontier makes falling debris the prize
This Command & Conquer-style RTS turns orbital wreckage into a finite resource that crashes into the map during a match.
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Seam & Story’s Circle Skirt Calculator
An interactive sewing calculator that works out circle-skirt measurements, fabric needs, and cutting layouts from adjustable measurements.
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SimuNav’s 26 maritime-training simulators
A Spanish-language collection of free browser-based simulators for maritime and fisheries training, covering shipboard electricity, communications, navigation, machinery, and more.
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Sipurei Tzadikim’s Spanish-language Hasidic story library
A family-oriented collection of Hasidic stories and videos in Spanish, with a finder for matching stories to a value, topic, or situation.
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Skillipop’s Uganda-mapped learning game
A free learning game for Ugandan children, from Baby class through P7, built around the NCDC curriculum.
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SkyJury: 40 Forecasts, One Verdict
A free weather app that compares dozens of forecast models and presents a location-specific forecast alongside model comparisons, alerts, and weather maps.
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Still Current checks public facts against their sources
A pilot tracks whether jail and court information on public websites still matches official pages, showing when each fact was checked and what the check does not establish.
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Crowlover’s autonomous backyard crow show
A live camera at a crow feeding spot in Oviedo, Florida, feeds a system that turns the day’s observations into a nightly short episode.
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The Bias Index counts red flags in SaaS comparison pages
A searchable index scores companies’ comparison pages for patterns that may favor the company over its rivals.
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A Map of American Party Realignment, Election by Election
An interactive atlas tracks presidential elections, state-level results, party evolution, and historical sources from 1789 through 2024.
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冬夏古典文庫: Classics in a New Japanese Translation
A translator-led library offering free, vertical-layout EPUB editions of classic works in contemporary Japanese.
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Unshittify: a repair log for hardware you own
A public log of projects that restore or repurpose devices whose software, cloud services, or original support have become obstacles.
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v4direct.org’s 1 MB peering offer
A self-mocking network-operator parody offers dial-up transit, imaginary virtual machines, and “blazing slow IPv4” for hobbynets.
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The Wheelpaper makes a hamster-wheel whitepaper playable
An interactive explainer turns the Squeekchain whitepaper’s hamster-powered blockchain mechanics into adjustable scenarios.
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Zero Breach Toolkit checks for known spyware traces
A free, open-source toolkit offers offline checks of computers, Android phones, and iPhone backups for traces of known mercenary spyware.
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Ziman: a language designed to be read
Ziman is a small, statically typed programming language designed to be easy for LLMs to generate and for people to check by eye.