OpenSignature Alternatives

OpenSignature is described as 'Open source project for the digital signature of documents. It works with all cards supported by OpenSC and focuses on adding support for cards from accredited Italian CAs' and is an app in the office & productivity category. There are more than 10 alternatives to OpenSignature for a variety of platforms, including Web-based, Android, iPhone, Windows and iPad apps. The best OpenSignature alternative is Adobe Acrobat DC. It's not free, so if you're looking for a free alternative, you could try KDAN PDF or LibreSign. Other great apps like OpenSignature are DottedSign, PDFill, Adobe Fill & Sign and DocHub.

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OpenSignature alternatives page was last updated

Alternatives list

  1. Adobe Acrobat DC icon
     203 likes
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    Manage documents effortlessly, edit PDFs, create them from other formats, and e-sign anywhere. Secure sharing and comparison tools ensure smooth workflows and data protection. New AI Assistant offers quick document insights. Perfect for desktop and web platforms.

    303 Adobe Acrobat DC alternatives

    Cost / License

    • Subscription
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Online
     
    • Adobe Acrobat DC is the most popular Web-based, Windows & Mac alternative to OpenSignature.

    • Adobe Acrobat DC is the most popular commercial alternative to OpenSignature.

    • Adobe Acrobat DC is Paid and ProprietaryOpenSignature is Free and Open Source
  2. KDAN PDF icon
     185 likes
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    Comprehensive solution for editing, signing, form filling, OCR scanning, commenting, converting, and redacting PDFs, with AI-driven analysis and content extraction, data export to spreadsheets, text-to-speech, seamless use across desktop and mobile, and batch processing.

    257 KDAN PDF alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
    • KDAN PDF is the most popular Android, iPhone, iPad & Android Tablet alternative to OpenSignature.

    • KDAN PDF is the most popular free alternative to OpenSignature.

    • KDAN PDF is Freemium and ProprietaryOpenSignature is Free and Open Source
    • KDAN PDF is Privacy focused and LightweightOpenSignature is not according to our users
  3. LibreSign icon
     11 likes
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    LibreSign is a web application for electronic signatures (e-Sign) that offer the possibility of signing documents online with security and agility.

    Cost / License

    • Freemium (Subscription)
    • Open Source

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Nextcloud
    • JavaScript
    • Software as a Service (SaaS)
    • PHP
     
    • LibreSign is the most popular SaaS & Self-Hosted alternative to OpenSignature.

    • LibreSign is the most popular Open Source alternative to OpenSignature.

    • LibreSign is Freemium and Open SourceOpenSignature is Free and Open Source
    • LibreSign is Privacy focusedOpenSignature is not according to our users
  4. DottedSign icon
     167 likes
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    DottedSign is the most comprehensive and easy-to-adopt e-signature solution, offering businesses enterprise-level security standards, equipping them for mobile-first hybrid work environment.

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  5. PDFill icon
     39 likes
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    With PDFill you can create, fill, delete and submit PDF form fields; insert new formatted text, check, image, hyperlink, whiteout, highlight, drawing, comment and annotation anywhere in the document; save, print or email the filled and password-protected PDF; save and resume...

    162 PDFill alternatives

    Cost / License

    • Freemium (Pay once)
    • Proprietary

    Application type

    Platforms

    • Windows
     
  6. Copy a direct link to this comment to your clipboard

    Adobe software for filling and signing forms digitally covers it all. Snap paper forms with a phone's camera, add details, sign with a stylus or finger, and then send via email. It’s all about speed, ease, and going green with paperless workflows.

    103 Adobe Fill & Sign alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  7. DocHub icon
     12 likes
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    Provides a comprehensive platform for document editing, signing, and PDF form handling. Offers legally binding eSignatures, robust templates for organization, collaboration tools, and integration with cloud services, enhancing workflow efficiency.

    102 DocHub alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application type

    Platforms

    • Online
    • Google Chrome
    • Google Drive
    • Dropbox
    • Android
    • iPhone
    • iPad
     
  8. LightPDF.com icon
     20 likes
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    Cloud PDF toolkit provides over 20 tools for editing, conversion, OCR, merge, split, annotation, batch processing, and signatures, with free online access, cross-platform usability, no watermarks, no size limits, and options for mobile and desktop integration.

    167 LightPDF.com alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application types

    Platforms

    • Online
    • Android
    • iPhone
     
  9. SignNow icon
     1 like
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    Digitally sign and manage documents using legally-binding electronic signatures, unlimited e-signing, PDF creation, annotation, team collaboration, advanced encryption, audit trails, secure archiving, offline access, multi-party signing, and cloud integration.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  10. Copy a direct link to this comment to your clipboard

    Ashampoo PDF Pro 3 is a software solution for managing and editing PDF documents. It offers tools for creating, converting, editing, merging, and securing PDFs. The software allows users to create optimally sized documents for any device and offers encryption to protect...

    216 Ashampoo PDF Pro alternatives

    Cost / License

    • Pay once
    • Proprietary

    Application type

    Platforms

    • Windows
     
  11. JSignPdf icon
     1 like
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    JSignPdf is a Java application which adds digital signatures to PDF documents. It can be used as a standalone application or as an Add-On in OpenOffice.org. The application uses the jsignpdf-itxt library for PDF manipulations (based on iText library in version 2.1.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • LibreOffice
    • Apache OpenOffice
     
    • JSignPdf is the most popular Linux alternative to OpenSignature.

    • JSignPdf is Free and Open SourceOpenSignature is also Free and Open Source
  12. DigiSigner icon
     5 likes
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    Electronic Signature Service for Your Business. Sign and send documents for signing online.

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Platforms

    • Online
     
12 of 22 OpenSignature alternatives