Best Digital Signature Software for Linux

Interfacing Enterprise Process Center (EPC)

Interfacing Technologies

Interfacing’s Digital Twin Organization software provides transparency and Governance to improve Quality, Efficiency, and ensure Regulatory Compliance. Map, analyze, and automate processes, manage regulatory compliance, assess risks within a single platform! Interfacing’s digital twin solution (Enterprise Process Center - EPC) is an enterprise management system that helps companies digitalize processes to streamline operations, increase productivity, and continuously improve. Interfacing’s digital business platform – Rapid Application Development (RAD) Tools, with its Low-Code Development methodology will optimize usage of your technical resources and maximize transparency for ongoing improvement. Discover how our Low-Code Rapid Application Development module provides all the tools to create and deploy Custom, Scalable, Secure, and Mobile ready Applications in Days vs. Months!

55 Ratings

Starting Price: $10/month/user

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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.

1,550 Ratings

Starting Price: $25.00/month/user

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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!

353 Ratings

Starting Price: $12 per month

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Moxo

Moxo integrates robust digital signature capabilities into its comprehensive Service Orchestration Platform, streamlining document workflows and enhancing security. As part of Moxo Flow, digital signatures are seamlessly incorporated into customizable workflow templates, enabling businesses to collect legally binding signatures efficiently within the context of broader processes like onboarding or account servicing. This native functionality eliminates the need for separate signature tools, consolidating operations into a single, secure digital workspace. Moxo's integration capabilities ensure that signed documents are automatically synced with existing systems of record, maintaining data consistency and facilitating compliance across the organization.

183 Ratings

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INHUBBER

Contract lifecycle management and digital signature platform with the world's highest security and 100% AI automation. INHUBBER simplifies contracts, making them comprehensible, interactive, and easy to manage. It eliminates inefficiencies associated with manual contract analysis, management, and approval processes. INHUBBER provides AI-powered management of contractual obligations and deliverables. Business flow is improved through automated AI reminders, contract fulfillment, and fast approvals. The platform's own digital signature approves ZIP, Excel, video, and any other file format. Due to its 100% security, large SMEs and corporations trust INHUBBER with their contracts.

98 Ratings

Starting Price: $30

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Foxit eSign

Foxit Software

Foxit eSign is a secure, web-based legally binding HIPAA Compliant e-signature software for companies of all sizes. Simple and easy-to-use, Foxit eSign enables organizations to easily create documents, send these to the signers for e-signatures, and archive them. Foxit eSign features a robust and reliable website integration via APIs and a collaboration tool that helps multiple team members around the globe to seamlessly work on a single contract document.

18 Ratings

Starting Price: $8.00/user/month

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Sign.cc by 500apps

500apps

Sign.cc by 500apps allows you to sign your agreements and other documents, and another to be able to do so faster and more effectively. With advanced reports, it helps boost your revenue by visualizing how many documents were completed, pending, or declined. You can keep your documents in order and manage them as needed with the bulk, tag, and status options.

2 Ratings

Starting Price: $ 14.99 per user/month

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Nintex Process Platform

Nintex

Enterprise organizations around the world leverage the Nintex Process Platform every day to quickly and easily manage, automate and optimize their business processes. The Nintex Process Platform includes capabilities for process mapping, workflow automation, document generation, forms, mobile apps, process intelligence and more, all with an easy to use drag and drop designer. Accelerate your organization’s digital transformation journey with the next generation of Nintex Workflow Cloud. Put The Power of Process™ into the hands of your ops, IT, process professionals, business analysts, and power users. Start digitizing forms, workflows, and more today. The Nintex Process Platform is the most complete platform for process management and automation. Nintex makes it fast and easy to manage, automate, and optimize your business processes.

2 Ratings

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Trackado

Trackado: Streamline Contract Management Effortlessly Take control of your contracts with Trackado, the comprehensive contract management solution. Access all your contracts in one centralized repository, ensuring easy and instant access from anywhere. Stay on top of deadlines effortlessly with automatic reminders for important dates and milestones. Gain full financial transparency by having all contract billing details in one place. Key Features: - Contract Repository: File, search, retrieve contracts, and manage their lifecycle. - Events and Reminders: Manage contract-related activities and deadlines. - Workflows: Streamline review and approval processes. - E-Signing: Prepare, send, and manage e-signatures. - Reporting and Dashboards: Gain insights into costs, activities, and portfolio. Frictionless Experience: - Security with TLS/SSL and file encryption. - Cloud-based solution, accessible via web browser. - Intuitive interface, no extensive training required.

Starting Price: $0.00/month

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signer.digital

Chartered Information Systems

signer.digital is the range of solutions which offer its users innovative ways to sign the documents and files and eInvoices, through it rage of procuts like, Bridge Application, REST APIs, Web Server and Web Libraries, DLLs and Free signer.digital Browser Extension. The signer.digital Bridge application can be setup in minutes for Digitally Signing with any of the existing ERP or application without writing a line of code, while the web server and libraries can be configured with any application, signer.ditial supports cross-platform applications through REST APIs. With signer.digital Browser Extension we offer seamless PKI operations through all the modern Browsers like Chrome, Edge and Firefox on all 3 OS platforms. Users can perform PKI Operations like Signing, Encryption, Verification, Authentication, Download of Digital Certificate Etc.

Starting Price: $1

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Seidat

Seidat is a cloud-based slide deck platform for sales and marketing teams. Seidat makes it easy to manage your company's presentations from one place and scale them to your whole organization. There you can create, edit, share, eSign and present - online and face-to-face your interactive presentations. Seidat has unique matrix and hotspot navigation which makes the slide decks convenient to present interactively and change the path on the spot. Every slide you create or import from powerpoint goes to the slide bank. From slide bank, you can pick and choose slides for your presentations. This way creating new presentations is fast. In Seidat, you can use smart slides to keep everyone's different materials (with generic slides) up-to-date by just one click. From brand management, your marketing team can define which colours and fonts to use. Shared image bank with your original brand logos and pictures help with keeping the presentations according to your brand.

Starting Price: €49.00/month/team

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WorkHub

WorkHub is an AI-driven team efficiency management platform that simplifies communication and collaboration with colleagues. The core products are WorkHub Connect, WorkHub Scheduling, WorkHub eSignature, WorkHub Tasks, and BRAVO. WorkHub Connect offers top-notch features like one-click calling, scheduled meetings, and calendar integration. External communication is possible through widget integration. Moreover, with calendar integration, WorkHub Scheduling makes scheduling appointments simple and convenient for individuals and teams. WorkHub eSignature allows users to get their documents and contracts signed easily eradicating the hassle of paperwork. WorkHub Tasks allows users to increase efficiency and productivity by effectively managing tasks through its ticketing system. BRAVO offers a complete recognition program and rewards platform, enabling recognition practices among peers, managers, and employees.

Starting Price: $2/month/user/product

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GovOS

Bring your constituents the services and information they need to thrive. Discover your next step to Digital Government. The GovOS Short-Term Rental Solution is a comprehensive software suite backed by industry experts and enhanced support. With a multitude of use cases focusing on community and economic impact of short-term rentals, the GovOS Short-Term Rental Solution offers compliance, registration/permitting, tax collection and a 24/7 complaint hotline. Studio empowers agencies that want to digitize forms, go paperless, and change the way citizens experience local government. Governments throughout the United States rely on GovOS Studio to quickly and easily transform paperwork into online services that reduce processing time, improve transparency, eliminate errors and ensure that government business runs smoothly. GovOS Cloud Search provides a Google-like interface that simplifies searching for users not familiar with land records, and an advanced search option as well.

Starting Price: $2500 per year

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SigniFlow

If you’re finding that the outdated pen to paper methods of signing documents and contracts are not meeting the modern demands of your business and its customers, then it’s time to go digital. Using our digital signature security, every document signed with SigniFlow has the necessary embedments to enhance non-repudiation. Deploy SigniFlow on-premise, in your own data center, or take advantage of our compliant, secure datacentre offerings, localized across regions And because electronic signatures are simply not good enough, SigniFlow applies the latest cryptographic digital signature standards to securely sign PDF documents. Join the millions worldwide that are switching from electronic, to digital signatures.

Starting Price: $8.00/month/user

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AS2 Gateway

Aayu Technologies LLC

Assured Trading with AS2 to Digitalize your Business. AS2 Gateway provides a B2B trading platform for organizations trading over the AS2 protocol, with a simplified and intuitive interface concealing the underlying complexities from end users. AS2 Gateway is fully compliant with the AS2 specification published by Drummond and Morberg, while ensuring the security of exchanged data via encryption, digital signature validation and guaranteed integrity through MIC (Message Integrity Check) hashing. Data security is further enhanced by utilizing the latest SSL/TLS channelling technologies as a supplementary security standard.

Starting Price: $59 per month

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emSigner

eMudhra

emSigner, eMudhra’s proprietary digital signing and workflow management solution allows companies to sign, send, track, archive and manage documents in a snap, and in the process build an entire document ecosystem in a digital manner. The core of emSigner is designed to offer high-end security and flexibility with multiple signing options, paired with easy integration into any existing application ecosystem. This makes it an ideal solution for creating end-to-end paperless ecosystem in SME’s, large enterprises, and even government organizations.

Starting Price: $12 per month per user

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ContractPodAi

Legal Reimagined - Step into the Future of Enterprise Legal ContractPodAi is a leader in AI-driven legal technology, empowering enterprises to manage risk, drive efficiency, and maximize ROI across the business. Powered by Leah, ContractPodAi’s advanced Agentic AI architecture, our solutions transform legal intelligence into a business accelerator—whether through our industry-leading Agentic Contract Lifecycle Management (CLM) platform or Leah, our Legal Agentic AI solution. Our adaptable approach ensures that organizations can start with their most pressing challenges and scale seamlessly as their requirements grow. Partnered with OpenAI, Anthropic, Google, Microsoft, DocuSign, and Salesforce, ContractPodAi is trusted by leading global organizations. Headquartered in London, with offices in New York, San Francisco, Glasgow, and Mumbai, we are your ally in legal transformation.

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RSign

RPost

RSign® is the e-signature platform by RPost®, a global leader for more than a decade. RSign® combines feature-richness with elegantly easy to use and affordability at scale. Unique to RSign is its ability to make common e-signing simple and automated, while meeting all of your document, form, or workflow scenarios. RSign makes the signing process simple and easy for signers to complete and sign documents using any desktop or mobile web browser in a guided process of signing. RSign comes with a simpler user design, customizable user interface, sharable templates, real time reporting, and more. RSign® makes it easy to view and rely on the Signature Certificate for e-sign tracking, a forensic audit trail, and sent and signed content and timestamp information. A robust record of who signed what when provides confidence that the e-sign process and record will stand up to scrutiny if ever challenged in the future.

Starting Price: $7/month/user

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PXL Vision

PXL Vision revolutionizes digital identity verification, automating customer onboarding and KYC processes to increase conversion rates. As the Swiss market leader for digital identity verification, our flexible solutions utilize efficient, AI-based ID checks as a SaaS or on-premise solutions. With our patented technologies, we ensure fast, reliable, and user-friendly identification processes that seamlessly integrate into existing workflows. Our Auto-ID adapts to various customer needs, offering customizable deployment, branding options, and security levels. Since 2017, we have empowered numerous partners and customers to save costs, boost revenue, and enhance user experience.

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Wondershare Document Cloud

Wondershare Technology

Collaborate, sign documents, and simplify your workflow with this cloud-based platform embedded in the most complete PDF productivity solution: PDFelement Pro DC. Get control over your documents on any device, with guaranteed cloud privacy across Windows, macOS, Linux, and mobile systems. Wondershare Document Cloud makes electronic signatures faster, easier, and safer across all browsers. Individuals can sign legally binding agreements and contracts at any time, from any operative system without registering for an account or downloading any software. Upload any contract or agreement from your local device, create your own signature and define fillable text fields. Then, send the PDF document to each recipient to start the signing process. All recipients will receive an email to access and sign the document from any device. It is safe and convenient.

Starting Price: $29.99 per year

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Bigle

Bigle is a legal tech company that offers a software suite with 4 products: Bigle CLM, the legal AI Bigle Libra, Bigle Sign and Bigle Academy. The company's mission is to streamline the legal operations of companies, improving security and minimising the risk of legal contingencies. The platform allows professionals to automatically create documents, share them for review, validate them in real-time, collaborate virtually, negotiate and has its own electronic signature. Bigle has developed a generative artificial intelligence assistant, Libra, which is connected to its CLM platform, developed for legal departments, which is an expert in the legal field and offers a secure environment of maximum confidentiality, minimising the hallucinations typical of other generalist tools. The technology company is a pioneer and leader in the field of no-code document automation, has a global presence and its clients include large corporations and large law firms.

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SwissSign

SwissSign enables you to make your processes and business transactions even more efficient by allowing customers and employees to sign easily online. Signature service by SwissSign: The Swiss signature solution from SwissSign offers qualified electronic signatures (QES) which are ZertEs (Swiss Signature Act) and eIDAS compliant as well as advanced (AES) and simple electronic signatures (SES). The solution that suits your needs: Regardless of whether you are a private individual, SME or large company, SwissID Sign offers the right solution for you. SwissSign offers a Ready-to-Go solution (no integration necessary) and an integration solution (cloud) based on “SwissID Sign”. For companies that require a flexible and confidential solution SwissSign recommends its On-premise solution “Let’s Sign”.

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FacePhi

FacePhi Biometria

The most complete solution for digital onboarding, authentication and security formed by different biometrics and antifraud systems of FacePhi, offered with the best user experience in the market. A combination of biometric and other security systems that creates a complete digital onboarding and identity authentication solution that allows to access, verify and operate different services and products in mobile and web applications. A framework with an easy integration that allows our client to choose which components to activate providing a better and seamless experience for the end user. Face recognition allows us to determine the identity of a person by analyzing the face. Unlike other types of biometry like iris or fingerprint, face recognition is non-intrusive; it does not require cooperation from the user. It just needs to capture the face of the person with a web cam.

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FastDox

Receive crucial documentation from customers in minutes. They simply upload or take a photo of their sensitive information and send it across securely instantly. Unlimited amount of document uploads of any size. Upload and send documents from anywhere zero hassle. Auto-edge cropping and dynamic document alignment. Stand out from the competition and offer your customers a seamless onboarding experience. With the platform doing the hard work for you, you can focus on delivering outstanding service. Unchain your staff from the shackles of admin and allow them to spend time building up your customer base. Our clients have seen an increase in sales of up to 35%. Work smarter not harder - dramatically reduce labour and keep business costs down. FastDox cuts postage costs by 95% and helps to ensure repeat business.

Starting Price: £40 per user

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Signedly

Signedly is an affordable & powerful digital signature solution that helps you go paperless easily & securely in all your business transactions. Features: Efficiency & Speed: Transform document signing from days to minutes. Top-Tier Security: Ensure every signature is secure and compliant. Cost Savings: Drastically reduce paper-related expenses. Global Accessibility: Sign from anywhere, on any device.

Starting Price: $10/user/month

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

What is Digital Signature Software for Linux?

Interfacing Enterprise Process Center (EPC)