🔥 The free & Open Source DocuSign alternative

[サイン] A Compose Multiplatform library for capturing and exporting signatures as ImageBitmap with customizable options. Perfect for electronic signature, legal documents and more.

A DottedSign MCP server that enables AI assistants (Claude, ChatGPT) to manage signing tasks, templates, and document status via natural language.

简单轻量的电子签名组件, 轻松定制可扩展的电子签名.

Cross-platform Python client for ARX CoSign electronic signatures via SOAP API

Digitally sign PDF document from your phone using handwritten signature or image.

Official SignNow API Helper MCP server for AI agents. Answers questions about the SignNow API and provides integration guidance.

DottedSign Self-Hosted: Enterprise-grade open-source eSignature system for data sovereignty. Securely deploy and sign on-premise via Docker Compose.

Official SignNow MCP server for AI agents. Access e-signature workflows, templates, embedded signing, documents via the Model Context Protocol.

Open-source AI contract review & e-signature platform. Free alternative to DocuSign, Adobe Sign & PandaDoc. Draft, review, and sign legal contracts with AI-powered clause analysis.

Official Node.js CLI for the SignWell eSignature API — send, manage, and download signed documents from your terminal. HIPAA, SOC 2, eIDAS compliant.

Replication package for the AI & Law paper titled "DiscoLQA: zero-shot discourse-based legal question answering on European Legislation".

Free macOS app for PDF stamping and digital signatures with Japanese Hanko support — no Acrobat required

LibreSign plugin for EuroOffice/ONLYOFFICE editors

Business Workflow & Approval Management Platform

Firmador y verificador web de PDFs para Ecuador — firma PAdES con tu .p12 (ARCOTEL) 100% en el navegador; la llave nunca sale de tu equipo. PWA open source (AGPL-3.0) + licencia comercial. Privacy-by-design / LOPDP.

Sign PDF documents in Python using PFX/P12 digital certificates with the PDFSignify API. Complete example for digitally signing PDFs, customizing signatures, and adding PDF metadata.

Open-source e-signature API for developers. Embed legally-binding electronic signatures in your app, self-hosted or cloud. The open DocuSign / DocuSeal / Documenso alternative, with a typed TypeScript SDK and AI field detection.

A QoderWork skill for inserting handwritten electronic signatures into Word documents (.doc/.docx). Supports Chinese and English. | QoderWork 电子签名技能，支持手写签名插入 Word 文档。

This sample application demonstrates how the SignNow API and PHP SDK can be used to construct applications with signing flows.