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QR Kot – a privacy-first QR code generator and scanner for Android

QR Kot – a privacy-first QR code generator and scanner for Android

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1 min read
One Room, Eight Boards, One Conductor: Building the Manor at Midnight

One Room, Eight Boards, One Conductor: Building the Manor at Midnight

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16 min read
33 planes are around Frankfurt Airport right now. Here's how I know (in 20 lines of TypeScript)

33 planes are around Frankfurt Airport right now. Here's how I know (in 20 lines of TypeScript)

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3 min read
How I'd test a face swap app before paying for an export

How I'd test a face swap app before paying for an export

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2 min read
I Built a Windows Guard That Watches for Cyber Attacks in Real Time — During Europe's Worst Cyber Week of the Year

I Built a Windows Guard That Watches for Cyber Attacks in Real Time — During Europe's Worst Cyber Week of the Year

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3 min read
Cell Towers Are Optional: At 16, I Built a Hybrid 800m Off-Grid Mesh Protocol for Smartphones (No LoRa Required)

Cell Towers Are Optional: At 16, I Built a Hybrid 800m Off-Grid Mesh Protocol for Smartphones (No LoRa Required)

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5 min read
I built MANIX Social, a lightweight photo, reels and chat app for budget Android phones

I built MANIX Social, a lightweight photo, reels and chat app for budget Android phones

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2 min read
Two AI agents and one human ran a live relay across two Twitch channels. Here's what happened.

Two AI agents and one human ran a live relay across two Twitch channels. Here's what happened.

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4 min read
7 open-source AI visibility trackers launched on HN this year. Here's what each one actually does.

7 open-source AI visibility trackers launched on HN this year. Here's what each one actually does.

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5 min read
How to Convert PDF to Word Online for Free: Get an Editable DOCX

How to Convert PDF to Word Online for Free: Get an Editable DOCX

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3 min read
How to Merge PDF Files Online for Free Without Adobe Acrobat

How to Merge PDF Files Online for Free Without Adobe Acrobat

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3 min read
How to Split a PDF Online for Free: Separate Pages or Page Ranges

How to Split a PDF Online for Free: Separate Pages or Page Ranges

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3 min read
How to Sign a PDF Online for Free Without Printing or Scanning

How to Sign a PDF Online for Free Without Printing or Scanning

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3 min read
How I detect breakout YouTube videos with a median, a square root and a 10,000-unit quota

How I detect breakout YouTube videos with a median, a square root and a 10,000-unit quota

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2 min read
Show DEV: HandleMyFile — In-Browser PDF Workstation (No Cloud, No Cost)

Show DEV: HandleMyFile — In-Browser PDF Workstation (No Cloud, No Cost)

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8 min read
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