Show HN: Extend UI – open-source UI kit for modern document apps
6.9 relevance
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technical depth 7
novelty 6
actionability 9
community 7
strategic 3
personal 8
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Extend UI is a practical open-source UI kit for document apps, directly usable.
Summary
Discussion is nascent as the post is a Show HN announcement with no comments yet. The original poster shares an open-source UI kit (MIT) with 14 components for PDF, DOCX, XLSX viewers, bounding box citations, file upload, and e-signature, built after finding existing solutions insufficient.