HNWatch – Watch HN, filter stories, get e-mail alerts

In plain words

HNWatch is a tool for monitoring Hacker News stories with customizable filters and email alerts. It allows users to set up notifications for specific topics or keywords so they don't miss relevant discussions. The service is designed for people who read Hacker News regularly but want a more targeted approach to staying informed. It runs as an open-source project available on GitHub.

written from the facts on this page · September 2026

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  HN.watch – Videos of all Hacker News posts25d ago · hn.watch · ▲225

  The Hacker News front page, with a short video explainer for every story.

• HL
  Hnwatch – Linux x64 terminal-based real-time HN watcher/reader2015 · 2ton.com.au · ▲102
• HN
  HN Notifications – Get an email when a HN story matches your criteria2015 · hnnotifications.com · ▲49
• HR
  HN Replies – Get notified of replies to your comments2016 · hnreplies.com · ▲217
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  Hazumi News 3.02025 · apps.apple.com · ▲99

  Alerts, AI summaries, and easy search for Hacker News

• HT
  HN Trends - like Google Trends, but for Hacker News2011 · hntrends.jerodsanto.net · ▲355

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  SimCity, but with Permits▲930

  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 · 3d ago · permit.petercai.com

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

  Life & fun · 15d 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 · 16d 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 · 10d 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 · 14d ago · carrierexplode.com

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

  Life & fun · 24d ago · space.bl2.net

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  Startup School▲1,010

  A free online program to teach you how to start a company

  Life & fun · 2017 · startupschool.org

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  Neuralink▲890

  Elon Musk's newest company, merging our brain with AI

  AI · 2017 · neuralink.com

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  Hardbound 3.0▲739

  Illustrated summaries of bestselling nonfiction books

  Life & fun · 2017 · apps.apple.com

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  Canny▲704

  The easiest way to collect & manage feedback

  Growth · 2017 · canny.io

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  Visual Biographies▲679

  Timelines of amazing lives for visual learners

  Work · 2017

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  Breaker▲676

  The social podcast app 🎧

  Life & fun · 2017 · player.fm