Compare the Top Digital Signature Software for Linux as of October 2025

What is Digital Signature Software for Linux?

Digital signature software, also known as electronic signature or e-signature software. enables individuals and organizations to securely sign electronic documents using cryptographic technology that verifies authenticity, integrity, and signer identity. It replaces traditional handwritten signatures with legally recognized digital equivalents that comply with standards such as eIDAS, ESIGN, and UETA. These platforms use public key infrastructure (PKI) to encrypt and validate signatures, ensuring that documents cannot be altered after signing. Many solutions integrate with workflows, email, and document management systems to streamline contract approvals and reduce paperwork. By providing security, efficiency, and legal compliance, digital signature software has become essential for modern business transactions across industries. Compare and read user reviews of the best Digital Signature software for Linux currently available using the table below. This list is updated regularly.

  • 1
    Odoo

    Odoo

    Odoo

    Odoo is a fully integrated, customizable, open-source software packed with hundreds of expertly designed business applications. Odoo’s intuitive database is able to meet a majority of business needs, such as: CRM, Sales, Project, Manufacturing, Inventory, and Accounting, just to name a few. Odoo is an all-in-one software solution designed to meet the needs of companies, regardless of their size (or budget). The unbeatable, seamless nature of Odoo helps businesses become more efficient by reducing redundant manual processes, which helps companies save countless hours of labor. Every module is interconnected to provide a fully-integrated experience from app to app, and users can automate many processes that would’ve otherwise required manual inputs into multiple applications. Odoo keeps all business functions in one place, allowing teams to collaborate with other departments from one unified platform in the most efficient way possible.
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    Starting Price: $25.00/month/user
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  • 2
    Titan

    Titan

    Titan

    Bend, don’t break with Titan’s flexible business solutions and forms for Salesforce. Our scalable Salesforce Forms and software is rapidly developing a reputation as the gold-standard in Salesforce integration, and it’s easy to see why. Slash time to market, nuke code, and tackle any use case on a single platform. Our best-of-breed forms in Salesforce and applications cater to any industry and it’s our mission to provide custom solutions for difficult problems. Build web portals, sign documents, generate docs, send surveys, automate contracts, fill out forms in Salesforce, and so much more in just a few simple clicks. No code required and AI assisted! This is all 100% Salesforce integrated, empowering you to send data to the #1 CRM and pull it back in real-time. No other product on the market does it better or faster. Our customers and partners are the heartbeat of Titan. If you need a feature, simply request it via our Titan X Lab and we will consider it for our roadmap!
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    Starting Price: $12 per month
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