qr-code — independent software & tools

4 independent qr-code listings the big search engines bury.

• Stampo

  github · Free · by git-webuser

  Screenshot, scan, and color picker for macOS, living in the notch. Mark up, pin, and collect your captures — nothing leaves your Mac.

• qrify-google-extension

  github · Free · by somaz94

  Chrome extension for generating QR codes with color & size customization

• slack-qr-bot

  github · Free · by somaz94

  Python Flask Slack bot for APK QR code generation & multi-channel broadcast

• authichain-unified

  github · Free · by undone0603

  Multi-tenant blockchain authentication platform — AI-powered product verification (GPT-4 Vision), NFT certificates on Polygon, QR-based supply chain tracking, and autonomous revenue pipelines across 10 industry verticals. Built on Next.js, Cloudflare Workers, and Supabase.