Metriva: Calorie & Weight Log
Your private health data tracker
What it does
Metriva is a comprehensive health tracking app that allows users to log food, macros, calories, and weight without requiring account creation or cloud synchronization. It offers features like a barcode scanner, nutrient tracking, and intermittent fasting timers, all while ensuring data privacy by storing information locally on your device. Ideal for those who want to maintain a healthy lifestyle with complete control over their personal data.
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Launched alongside, August 2026
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Life & fun · 10d ago · louisabraham.github.io
- SA
Hello HN! I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy. I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has. The methodology might be a bit shaky, but hopefully the result is as helpful for…
Life & fun · Aug 2026 · toneyalexander.github.io
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