SignFuz

SignFuz is a self-hosted electronic signature and document workflow engine for WordPress. Create, send, sign, manage, verify, and retain business documents directly on your own WordPress infrastructure with zero mandatory third-party SaaS fees.

Key Features

• Self-Hosted Privacy: Keep documents and signing evidence entirely on your own infrastructure.
• PDF Signing Workflow: Place signature, name, date, and text fields on PDF documents with pixel-perfect precision.
• Multi-Party Signatures: Add multiple signers per agreement with parallel (all sign together) or sequential (in order 1 → 2) signing workflows.
• Modern Tailwind & React UI: SaaS-level interface inspired by Odoo Sign.
• Cryptographic Evidence Trail: Records signer consent, timestamps, and SHA-256 event chains.
• Automated Certificate of Completion: Seals completed documents with cryptographic hashes and audit summaries.
• Private Storage Vault: Protects source PDFs and completed artifacts behind authenticated streaming controllers.

Build Instructions

The user interface of SignFuz is built using React, Tailwind CSS, and Vite. The complete, unminified source code is included within this plugin package in the src/ directory.

To build the production assets from source:

1. Ensure you have Node.js (v18 or higher) and npm installed.
2. Open a terminal and navigate to the plugin directory:
   cd wp-content/plugins/sign-fuz
3. Install dependencies:
   npm install
4. Compile the production bundles:
   npm run build

The build output is automatically generated in assets/dist/:
* assets/dist/admin.js — Compiled React application bundle.
* assets/dist/admin.css — Compiled Tailwind CSS stylesheet.
* assets/dist/pdf.worker.min.mjs — Local PDF.js background rendering worker.

Copyright and External Libraries

SignFuz, Copyright 2026 Buffercode (https://buffercode.com).
SignFuz is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version.

This plugin bundles the following open-source third-party libraries:

• FPDF
  Author: Olivier Plathey
  Source: http://www.fpdf.org/
  License: Permissive Freeware (allows commercial and non-commercial modification and distribution).

• FPDI
  Author: Setasign (Jan Slabon)
  Source: https://github.com/Setasign/FPDI
  License: MIT License (https://opensource.org/licenses/MIT)
  Copyright: (c) 2023 Setasign GmbH & Co. KG

• PDF.js
  Author: Mozilla Foundation and individual contributors
  Source: https://github.com/mozilla/pdf.js
  License: Apache License 2.0 (http://www.apache.org/licenses/LICENSE-2.0)
  Copyright: (c) Mozilla Corporation

• Lucide Icons
  Author: Lucide Project Contributors
  Source: https://lucide.dev
  License: ISC License (https://opensource.org/licenses/ISC)