Hacker News (AI keywords)Jun 10, 2026, 4:09 PMkbyatnal

Extend UI: Open-Source UI Kit for Modern Document Applications

Original: Show HN: Extend UI – open-source UI kit for modern document apps

extend.ai launches Extend UI, an open-source UI component kit tailored for building modern document-centric applications.

extend.ai has released Extend UI, an open-source UI kit targeting developers building modern document applications. The library aims to provide ready-made components for document viewing, annotation, and processing workflows. As a Show HN post, it signals extend.ai's push to grow a developer ecosystem around its document AI platform.

extend.ai is a company focused on document AI, with core products covering parsing, extraction, and workflow automation of unstructured documents. Extend UI, released on Hacker News in "Show HN" format, is an open-source UI component kit designed specifically for the interface needs of "modern document applications."

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