Adobe Acrobat Sign vs. OpenSign Comparison


Adobe Acrobat Sign Adobe	OpenSign	+	+
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		Related Products Adobe Acrobat Adobe Acrobat Studio is a leading enterprise document platform built to scale for global teams — delivering AI-powered document intelligence, trusted PDF tools, and on-brand content creation in one secure solution. Core capabilities include PDF creation, editing, conversion, annotation, redaction, e-signatures, and fillable forms. AI Assistant enables conversational document intelligence across PDFs, Word docs, spreadsheets, and more — surfacing summaries, key insights, and source-linked citations for verified, audit-ready answers. PDF Spaces organizes files, collaboration, and context into centralized knowledge hubs. The Generate Presentation feature transforms any document into a polished, branded deck using AI and Adobe Express templates. Enterprise-grade encryption, admin controls, and compliance workflows support secure document sharing and high-volume document processing at scale — across Legal, Finance, HR, Sales, and more. Available on desktop, web, and mobile. 8,459 Ratings Visit Website MobiPDF MobiPDF (formerly PDF Extra) is an intuitive and powerful PDF editor and reader designed for today’s modern user - the cost-efficient alternative to Adobe Acrobat Pro you’ve been looking for. FEATURES OVERVIEW: PDF Viewer and Reader: Switch between page views or use "Read Mode" for distraction-free reading. Create and Edit PDFs: Modify text and images or start with a blank PDF. Convert to Office Formats: Easily turn PDFs into Word, Excel, PowerPoint, and image files. Leverage OCR: Transform scanned documents into searchable PDFs. Organize PDFs: Combine, split, reorder, and compress documents. Markup and Comment: Highlight, annotate, and add bookmarks or stamps. Fill PDFs: Seamlessly fill forms or create ones from scratch. Sign PDFs: Sign your documents anywhere—no ink required! Secure Your Work: Protect files with passwords, digital signatures, and 256-bit encryption. Offline Mode: Full functionality without internet access. Translate PDFs 8,085 Ratings Visit Website Foxit Document Workflow APIs Foxit provides a powerful suite of cloud-native APIs that help organizations automate, secure, and modernize document workflows. Built on scalable REST architecture, Foxit APIs enable developers to generate, convert, extract, sign, and display documents directly within applications—eliminating manual processes and accelerating digital operations. The Foxit PDF Services API supports high-volume PDF automation, including conversion, extraction, optimization, and redaction. The Document Generation API creates dynamic PDFs and DOCX files from templates and real-time business data. The Foxit eSign API embeds legally binding eSignature workflows with full audit trails and compliance support. The PDF Embed API delivers customizable in-app PDF viewing, annotations, and secure access controls. Together, Foxit APIs provide a secure, scalable foundation for end-to-end document automation and digital transformation. 8 Ratings Visit Website RAD PDF Add a fully functional PDF editor to your ASP.NET website in minutes! Compatible with 99% of desktop & mobile browsers, from Internet Explorer 6 through the latest iOS Safari release, RAD PDF simply works. No plugins or other software needed. RAD PDF natively supports the most commonly used PDF features. Beyond a PDF reader, RAD PDF equips web applications with a browser-based PDF editor & PDF annotator. Features not even available in Adobe Acrobat Reader can be used to provide advanced PDF functionality. By enabling PDF form filling, PDF redaction, & PDF signing directly in the web browser, RAD PDF users can utilize PDF features without worrying about having the right platform or software installed! Allow your app to design new PDF forms, protect content, sign PDFs, & more using an intuitive graphical user interface (GUI). Client (JavaScript) and server APIs allow for endless possibilities .NET Core, Framework, & .NET 5+ supported Try editing any PDF with RAD PDF, FREE! 3 Ratings Visit Website Centrex Software Our powerful Customer Relationship Management (CRM) software can help you increase your team’s productivity, generate more revenue, and improve engagement with your clients. Manage your advance/loan portfolio. Integrated with ACH processors. Includes syndicate reporting and broker portal. Send email and text campaigns, send/receive SMS messages to clients, track email opens, and more. Send any document out for electronic signature with ClixSign®. See when documents are viewed and signed by up to 8 signers. Give your customers access to a branded portal to upload documents, view messages, track balances/payments, and more. State-of-the art contact and deal management software gives you the full picture of your entire pipeline. Centrex Software offers custom software development solutions. We help customers build web and mobile applications for any purpose. 18 Ratings Visit Website ContractSafe ContractSafe is AI-enabled contract management software built for teams that need control without complexity. Store, search, and manage all your contracts in a secure, cloud-based repository hosted on AWS, with SOC 2 Type II, HIPAA, ISO 27001, and GDPR compliance included. Find any contract or clause in seconds using Google-like full-text search with OCR support for scanned documents. The AI assistant automatically extracts key metadata, categorizes contracts by type, and answers plain-language questions about contract content, with no configuration required. Every plan includes unlimited users, automated renewal and key-date alerts, and a dedicated Customer Success Manager. Higher-tier plans add approval workflows, redlining, built-in e-signature, and Salesforce integration. Implementation takes hours, not months. No professional services fees, no IT project required. Free trial available, no credit card needed. 326 Ratings Visit Website Titan Build the forms, portals, documents, eSignatures, surveys, and workflows your business needs while keeping Salesforce at the center of it all. Titan brings these experiences into a single Salesforce-first platform, with data connected to Salesforce in real time rather than creating another place for it to live. Give customers, partners, and employees secure ways to interact with Salesforce. Collect and update information through dynamic forms, build branded portals, generate documents from Salesforce data, collect signatures, run surveys, and automate complex business processes. For forms and portals, Titan AI Studio gets you to a strong first version faster. Describe what you need in plain language and Titan creates the structure, fields, styling, and Salesforce mapping. Then refine the details in the visual builder. Titan AI understands your Salesforce data model, including objects, fields, and relationships, without accessing sensitive Salesforce record data. You get AI-assisted speed while staying in control of what gets built and how it works. Experience Studio and Document Studio bring these capabilities together, giving Salesforce teams one platform to build and manage customer-facing experiences, documents, and business processes. 378 Ratings Visit Website HR Partner HR Partner is a simple, all-inclusive online HR Management system for businesses with 20 to 500+ employees. It gives you everything you need to manage your HR processes and reduce the time spent on HR administration tasks. HR Partner includes: - Employee Records Management One secure place to store contact data, files, reviews, assets, and more - Leave Requests, Accruals & Approvals A simple, transparent process for employees and admin users - Onboarding & Training Checklists Assign a set of tasks for employees to check off, read, sign, upload or watch - Recruitment and Applicant Tracking Publish jobs and manage applicants with a visual tracking system - Employee Portal Empower team members the information and tools they need - Electronic Signatures Let employees or job applicants sign HR documents electronically -Plus a Lot More 100's more features including timesheets, library, organizational chart, and more. Start a free trial or request a demo! 205 Ratings Visit Website Jotform Trusted by over 25 million users, Jotform is an all-in-one, no-code platform that simplifies data collection, automation, and online sales. Using its drag-and-drop Form Builder, businesses can create customized forms and surveys to collect leads, payments, and e-signatures. With 10,000+ templates and advanced features like conditional logic and 200+ integrations, Jotform streamlines workflows. Jotform's AI-powered Agents provide real-time customer support, guiding users through form submissions, answering questions, and ensuring a smooth experience while reducing manual intervention. These AI agents learn from interactions to improve responses, enhancing efficiency and customer satisfaction. The platform also includes a Store Builder to sell products and services, accept payments through 30+ gateways, and tools like Approvals and Report Builder to automate workflows and generate actionable insights. 9,009 Ratings Visit Website TheBestPDF Welcome to our cutting-edge SaaS platform for online document editing and conversion. Designed to meet the needs of businesses and entrepreneurs. TheBestPDF delivers top‑tier file management solutions for teams of all sizes. Use our vault to store your documents in any size and format. Select from various plans to optimize your tools and costs. Use our platform on any devices and operating systems. Keep your business data safe with HTTPS encryption, ensuring every file creation is secure. Redact, insert objects, and sign PDFs easily, making document management smooth for your organization. Our PDF converter makes document conversion fast, perfect for busy teams. Set up your company's document workflows easily with our user-friendly editor interface. Striving for long-term partnerships, we ensure 24/7 availability for customer support. We unite creative minds to deliver integrated solutions that cover your business challenges. 39,558 Ratings Visit Website
About Transform and speed up your workflows with Acrobat Sign – the only e-sign tool that includes the power of Adobe Acrobat in one package. Access Acrobat PDF documents and sign documents from anywhere, on mobile or desktop. Your recipients can sign in a snap — no downloads or sign-ups required. Easily scan and upload PDFs using the free Adobe Scan mobile app on your device. Join 500,000 organizations who are elevating the customer experience with the power of electronic signature software and Acrobat PDF features. Adobe makes it easy for you to create, edit, collaborate, e-sign, and share PDFs, on any device. Choose from a range of scalable document signing solutions to meet your unique business needs — with or without PDF document management features. As Microsoft’s preferred e-signature solution, Acrobat Sign integrates with the most comprehensive suite of Microsoft apps, so you can send and sign PDFs without leaving the app you’re working in.	About Experience the freedom of limitless digital signing without ever reaching for your wallet. Bring multiple people into the signing process at no extra cost. Close deals, not your wallet. Every signed document comes with a detailed completion certificate, featuring access logs, all at zero cost. Your documents deserve a safe home. Store and organize them for free in our secure OpenSign drive vault. OpenSign is an open source digital signature platform that enables secure signing of documents with ease and efficiency. It's designed to provide a free alternative to commercial e-signature services like DocuSign, offering transparency and customization opportunities to meet your unique business needs. OpenSign allows users to upload documents, request signatures, and sign documents electronically. It uses state-of-the-art cryptographic algorithms to ensure that all documents are signed securely and are legally binding in most countries.
Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported	Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience Companies of all sizes that need a powerful digital signature solution	Audience Anyone seeking a solution to sign, store, and secure their documents
Support Phone Support Supported 24/7 Live Support Not Supported Online Supported	Support Phone Support Not Supported 24/7 Live Support Supported Online Supported
API Offers API Not Supported	API Offers API Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing No information available. Free Version Not Supported Free Trial Not Supported	Pricing $9.99 per month Free Version Supported Free Trial Not Supported
Reviews/Ratings Overall 4.7 / 5 ease 4.5 / 5 features 4.5 / 5 design 4.7 / 5 support 4.6 / 5 Read all reviews	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software
Pros & Cons from Real Users Pros Ease of access from your phone for recently downloaded items. Works better on the computer than on your phone for sure. Allows me to safely sign the documents I need to digitally for work or personal. It's helpful to have such easy access! Adobe Sign is an e-Signing tool offered by Adobe. Adobe sign offers complete framework of solution to replace the physical signature with easy to use and track e-signature process. In a nutshell, Adobe sign offers - Document tracking, Signature Collection. It gives freedom to digitally sign a document from anyplace. Adobe sign is available on cross-platform. Which gives you the ability to sign even on mobile devices. Easy to send and allows multiple signs a document. Adobe Sign is a very effective e signing solution which has all features packed to make signing work completely digital. It offers feature as - Uploading Docs and inviting signers to sign - Keeping a track on progress - Supports wide array of format of file to sign - Supports signing on mobile devices - Supports customization of Signature Cons Cloud items tend to have an issue with coming in correctly when using the app. Which is the main reason I was using this. Sometimes depending on the computer, the platform can be really finicky and hard to get the signature to load. Adobe sign offers flawless e-signing solution. No Cons. Easy to use. Never encountered any issues with Adobe Sign. Adobe Sign is a very smooth e signing tool, which does its work beautifully.
Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported
Company Information Adobe Founded: 1982 United States www.adobe.com/acrobat/business/sign.html	Company Information OpenSign United States www.opensignlabs.com
Alternatives Docubee	Alternatives Docflare
PandaDoc	Certyneo
Secured Signing	CocoSign
Adobe Acrobat Reader Adobe	SleekSign Sleek
Adobe Document Cloud Adobe View All	DocuChain Pandaverse OÜ View All
Categories Digital Signature Supported eSignature APIs Supported	Categories Digital Signature Supported
Digital Signature Features Audit Trail Supported Authentication Supported Auto Reminders Supported Customizable Templates Supported Document Analytics Supported Mobile Signature Supported Multi-Party Signing Supported Progress Tracking Supported Task Progress Tracking Supported
Integrations Dropbox Supported Adobe Acrobat Supported Caterease Supported CobbleStone Contract Insight Supported Coffee Supported Ivalua Supported Knowliah Supported Leah Supported NetSuite Supported PROS Smart CPQ Supported Parley Pro Supported Plumsail Documents Supported Riskonnect Supported SimpleDocs Supported Truto Supported TurnKey Lender Supported VidCruiter Supported Zapier Not Supported Zoho People Supported envivo Supported Show More Integrations View All 161 Integrations	Integrations Dropbox Supported Adobe Acrobat Not Supported Caterease Not Supported CobbleStone Contract Insight Not Supported Coffee Not Supported Ivalua Not Supported Knowliah Not Supported Leah Not Supported NetSuite Not Supported PROS Smart CPQ Not Supported Parley Pro Not Supported Plumsail Documents Not Supported Riskonnect Not Supported SimpleDocs Not Supported Truto Not Supported TurnKey Lender Not Supported VidCruiter Not Supported Zapier Supported Zoho People Not Supported envivo Not Supported Show More Integrations View All 2 Integrations
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