handshake Ecosystem Partners

Built better,
together.

Strategic collaborations with world-class tools that share Sienna's commitment to an accessible, open web.

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Official Partner Since 2025

LumioPDF

Accessibility PDF Tool Suite

LumioPDF makes your PDF documents accessible to screen readers, visual aids, and assistive technologies. A natural extension of Sienna's accessibility-first philosophy.

check_circle Screen reader compatible PDFs
check_circle WCAG 2.1 conformant output
check_circle Batch document processing
check_circle Integrates with Sienna Accessibility

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Become a Partner

Have a tool that complements Sienna's ecosystem? We'd love to collaborate.

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What we look for

Partnerships that align with our core values.

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Accessibility First

Partners that prioritize inclusive design and assistive technology support.

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Open Philosophy

We value transparency, open standards, and tools that respect users.

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Performance Minded

Lightweight, fast, and non-intrusive — no bloat, no tracking.