Metafact

What it does

Metafact is a crowd-sourced fact-checking platform powered by the world's scientific community. Anyone can share an article, claim or question in science & technology - we source hundreds of verified experts to share the evidence and publish a consensus on whether it is fact or fiction.

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  Verifact2020 · fountain.markets · ▲141

  Open protocol for verifying facts

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  Parafact AI2024 · parafactai.com · ▲213

  Factcheck any writing in real-time (AI or human-written)

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  I made a platform for journalists to “open source” their fact checking2019 · sourcedfact.com · ▲593

  A publication dedicated to full transparency in fact-checking. Every source document is available with annotations to guide the reader, and every fact-checking conversation is out in the open.

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  Verifact - A decentralised platform for verifying facts2020 · verifact.io · ▲10

  Blockchain powered fact checking.

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  SociofactMar 2026 · ▲5

  AI fact‑checker with instant, shareable proof links

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  a conspiracy theory generator2013 · verifiedfacts.org · ▲181

  Find information, resources and relevant links for verifiedfacts.org. This domain may be for sale.

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  SimCity, but with Permits▲883

  A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.

  Life & fun · 23h ago · permit.petercai.com

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  I've been paying for a rural Tanzanian's education for 10 years▲778

  Life & fun · 13d ago · tanzaniaeducationproject.org

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  Bigwords.page – Turn any screen into a sign. The URL is the app▲728

  Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.

  Life & fun · 14d ago · bigwords.page

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  Guitoro, a virtual guitar you strum with your keyboard▲573

  Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.

  Life & fun · 8d ago · guitoro.com

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  See *almost* any carriers phone settings▲432

  Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.

  Life & fun · 12d ago · carrierexplode.com

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  The whole Solar System and every tracked satellite, live in the browser▲407

  Life & fun · 22d ago · space.bl2.net

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  I'm 12, learning JS, and wrote Wolfram's cellular automaton in Node▲1,072

  Life & fun · 2018 · bitbucket.org

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  Loom for Desktop▲671

  Powerful video recorder. Now on Desktop.

  Dev tools · 2018 · loom.com

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  Handsome Illustrations▲644

  Create unique illustrations for websites & applications.

  Dev tools · 2018 · craftwork.design

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  Retool▲640

  Hi all, founder @ Retool here. We initially launched Retool on HN five years ago: https://news.ycombinator.com/item?id=14515494. The feedback was extraordinarily helpful then (e.g. we launched source control, on-prem, etc. based on HN comments), and we’re grateful for all of it. Today, we’re excited to get HN’s thoughts on one of our new products: Retool Mobile. It lets you build and deploy mobile apps in minutes, not days. The idea is there is a large class of line-of-business mobile apps, and the process of getting a simple form + button on a mobile device, in a native app,…

  Dev tools · 2018 · retool.com

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  Pts.js – A library for visualization and creative coding▲611

  Pts is a javascript library for visualization and creative-coding.

  Dev tools · 2018 · ptsjs.org

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  Retool – build internal tools faster▲592

  Build, deploy, and manage internal tools with Retool's unified engine. Connect to any database, API, or LLM. Leverage AI throughout your business.

  AI · 2018 · tryretool.com