open-source-pdf

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devcodemuni / eMark

eMark – Free & Open Source PDF Digital Signature Software Securely sign, timestamp, and protect PDF documents with USB tokens, HSM (PKCS#11), and PFX/PKCS#12 certificates. Cross-platform (Windows, Linux, macOS) with a modern dark-themed UI and enterprise-grade features like timestamping, LTV validation, and password-protected PDFs.

desktop-app cross-platform pdf-viewer digital-signature pdf-tools digital-certificate pdf-signature pdf-editor document-signing pdf-signing open-source-pdf pfx-signing free-open-source

Updated Sep 14, 2025
Java

Aumlo123 / pdfdoom

Star

DOOM in a PDF (as ascii art)

pdf-viewer pdf-generation pdf-manipulation pdf-modification pdf-library pdf-parser pdf-tools pdf-editor pdf-processing pdf-extraction pdf-toolkit pdf-creation pdfdoom github-pdf open-source-pdf

Updated Sep 24, 2025

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