Shelf Friend helps my friend compare supermarket prices and product care

<p><em>This is a submission for the <a href="https://dev.to/challenges/hacktoberfest-weekend-2026-10-01">Hacktoberfest Weekend Challenge: Build for a Friend</a></em></p> <h2> What

<blockquote> <p>An offline-first, multilingual point-of-sale and shop register for Pakistan's roughly 3 million kiryana (neighbourhood grocery) shops. It includes an on-device,

<p><em>This is a submission for the <a href="https://dev.to/challenges/hacktoberfest-week2-2026-10-12">Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle</a></em></p> <h2>

<p>This is a submission for the "Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle" (<a

<p><em>This is a submission for the <a href="https://dev.to/challenges/hacktoberfest-weekend-2026-10-01">Hacktoberfest Weekend Challenge: Build for a Friend</a>.</em></p> <h2>

<p>My friend Vinay reads a lot of manga, and it's all black and white. For the Hacktoberfest "Build for a Friend" challenge I built a tool that colours manga pages and keeps each