OpenSign is described as 'Open-source PDF e-signature solution with secure cryptographic signing, audit trails, completion certificates, API integration and multi-device support' and is a E-signature tool in the office & productivity category. There are more than 50 alternatives to OpenSign for a variety of platforms, including Web-based, SaaS, iPhone, Android and iPad apps. The best OpenSign alternative is DocuSeal, which is both free and Open Source. Other great apps like OpenSign are LibreSign, eSign Launchpad, Docusign and AeroSpark.
Upload a PDF, drag and drop signature fields, add signer emails, and hit send. Signers receive a link — no account needed. They open it, sign, and you get the completed document with a full legal audit trail. Free plan with 3 docs/month, Pro starts at $4.99/month.
Serbia
GreenSign is a cutting-edge electronic signature solution designed to streamline document signing processes while promoting sustainability. By providing secure, legally binding digital signatures, GreenSign helps businesses eliminate the need for paper, ink, and physical...
Digital signature, drag-and-drop, real-time previews, multi-signer support, sketching, highlighting, and mobile-friendly functionality.
A lightweight, fast, and affordable e-signature tool designed for freelancers, small businesses, and anyone who needs to sign PDFs without the complexity of big corporate platforms.
United States
DocuChain allows free, secure document creation, management, and e-signing with no registration needed. Built on blockchain, it offers a transparent, intuitive platform accessible to individuals and businesses, ensuring every signature is verifiable and providing a cost-effective solution for all users.
Easily automate agreements, from online contracts to onboarding and compliance for regulated businesses. Improve customer experiences with Scrive’s e-signing portal, ID verification, APIs, managed services, and integrations.
Sweden
EU
Firma.dev is a REST API for embedding electronic signatures into your own product. It covers the full signing lifecycle: an embeddable template editor so users can design documents from inside your app, an embeddable signing experience for signers who sign without leaving your...
United States
YumiSign is a powerful yet user-friendly digital signature app that allows you to sign documents on the go, anytime, anywhere. With YumiSign, you can securely sign and share documents with ease, all from the convenience of your mobile device.
LuxembourgEU
SignWith revolutionizes the e-signature industry by offering pay-per-document services. It resolves issues prevalent in traditional e-signature solutions such as costly subscriptions, hidden charges, and overloaded interfaces.
Australian e-signature platform with built-in e-witnessing for legal compliance, reusable templates, and Australian-hosted data. No installation required, signers access documents via a web link on any device. From $5/mo with no per-envelope limits.
Australia
