rust-pdf is an enterprise PDF library for Python, C#, Go, PHP, Ruby, Node.js, Delphi, and Swift. Built on a memory-safe Rust core, it generates PDF/A archival documents, PAdES digital signatures, AES-256 encryption, and accessible PDF/UA files. It runs entirely on your servers with no per-document fees, no data leaving your network, and no AGPL strings. Ideal for regulated industries needing compliant, high-performance PDF generation.