Open-source PDF annotation and drawing tool built for privacy. Sketch and annotate PDFs with natural pen-like precision, drawing tablet support. SvelteKit + Tauri.
A tool to sign PDF files. With Linux support.
PDF signing utility supporting GPG and Sigstore (Google, GitHub, Microsoft accounts / keyless OIDC) signatures, multi-party signing, making it easy to sign and verify documents without heavyweight PDF signing stacks, making your PDFs authentic, tamper-proof, fully compatible with regular readers; all while costing zero-dollars to use.
PDFSigner is a multipurpose PDF signer and verifier application for Advanced Electronic Signature (AES) and Qualified Electronic Signature (QES)
Aplicatie macOS pentru semnarea documentelor PDF folosind Cartea de Identitate Electronica (CEI) din Romania | macOS app for signing PDF documents using the Romanian Electronic ID Card (CEI) via PKCS#11
DottedSign Self-Hosted: Enterprise-grade open-source eSignature system for data sovereignty. Securely deploy and sign on-premise via Docker Compose.
Cross-platform Python client for ARX CoSign electronic signatures via SOAP API
Deprecated: replaced by LibreSign/pdf-elements, the Vue 3 PDF interaction component.
Sign PDFs with PAdES standard, using EU and Brazil's signature profiles.
Enterprise digital signatures for .NET — PAdES · CAdES · XAdES. Zero external crypto deps. Native AOT. MIT.
Trexo PDF Signer is a professional-grade, open-source application designed for creating legally binding digital signatures on PDF documents. Built with enterprise security standards in mind, it provides seamless integration with hardware security modules (HSM), software certificates, and native platform keystores.
Diwan — a self-hostable, real-time collaborative office suite you own: documents, spreadsheets, slides & whiteboards. CRDT-native, single binary, your storage.
A PDF editor that runs entirely in your browser. Edit text, organize pages, annotate, fill and sign forms, redact and protect PDFs without uploading them. Engine written in Rust and WebAssembly.
Sign documents with a qualified electronic signature (QES) in just a few clicks
Windows executable for sign a PDF with a certificate and a hanwritten signature
Free, open-source PDF editor that runs entirely on your machine. Form field detection, true redaction, hidden content and tracker removal, drag-and-drop page reordering, on-device OCR, text reflow, peer-to-peer signing.
A Go library for PDF digital signatures with comprehensive support for ETSI standards, visual signatures, timestamps, and cloud-based signing.
Signet — a privacy-first PDF editor that runs entirely in your browser. Add text & signatures, animated UI, resume where you left off, and optional accounts (saved signatures, synced preferences & drafts). Your PDF files never leave your device.
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