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jewelry

Liberty Assay is an open-source, modular precious-metal assay and payout system that analyzes jewelry using spectroscopy, AI vision, and automated robotics to determine precise material composition, separate recoverable metals and gemstones, and calculate real-time market value for instant compensation. Built under the AGPL-3.0+ license, it is designed as transparent, auditable infrastructure where every step from analysis to payout, is fully inspectable, reproducible, and community-driven. https://roxanneardary.com/libertyassay/

True Ring Size — accurate offline ring sizer & international ring size converter (US/UK/EU/JP/CN/RU) for iPhone & Android. Measure with an existing ring or your finger on screen, one-time bank-card calibration. Free, no ads, no subscription, fully offline. By Lapnito.