Tools
A document format and viewer target used for rendering and interacting with files.
Why it's here
Placed in Assess: 1 article(s) of evidence from 1 source(s), led by open-source activity, with 1 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.
Evidence (1)
- 6Hacker News·6/10/2026open_sourceExtend UI open-sources document app UI kit
Extend UI has open-sourced 14 components and examples for building modern document applications, including PDF, DOCX, and XLSX viewers, file upload, e-signature, and bounding box citations. The MIT-licensed kit was originally built for internal use at Extend and is now being released for broader developer adoption after handling large-scale document processing workloads.