PSL Calculator: Open-Weight AI Tool Built for Hacktoberfest Challenge

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A developer team has submitted a PSL Calculator app to the Hacktoberfest Open-Source AI Challenge Week 3. The Streamlit-based web tool lets users upload images and view detailed evaluation breakdowns. It uses open-weight models such as Gemma 4 workflows, combined with custom Python vision pipelines and HEIC image parsing. The team says open models allowed prompt and scoring customization without rate limits, and that the local stack reduced cost and overhead. The project is publicly available on GitHub for auditing and forking.

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