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 Online / Web-based, Windows, iPhone, Android and iPad. The best alternative is Adobe Acrobat DC. It's not free, so if you're looking for a free alternative, you could try DottedSign or PDF Reader. Other great apps like OpenSignature are Adobe Fill & Sign, PDFill, LibreSign and DocHub.

OpenSignature alternatives are mainly PDF Editors but may also be E-signature Tools or PDF Readers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of OpenSignature.

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OpenSignature

Free • Open Source

Mac
Windows
Linux

OpenSignature is an open source project for the digital signature of documents. It works with all cards supported by OpenSC...

Learn more about OpenSignature

Adobe Acrobat DC
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Paid • Proprietary
PDF Editor
PDF Reader
Document Manager
Mac
Windows
Online
278 alternatives to Adobe Acrobat DC
Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit, and sign PDF files at your desk or on the go.
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Adobe Acrobat DC Features
1. Fill PDF FormsAdobe Acrobat DC supports forms in PDF files.
2. PDF annotationAdobe Acrobat DC support PDF Annotation for highlighting, notes etc
3. Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
4. Sign PDF filesAdobe Acrobat DC support signing a PDF document digitally on a touch screen etc.
5. Split PDF filesAdobe Acrobat DC can split PDF files into multiple documents.
6. Combine PDFCombine, merge and arrange PDF files into one document.
Edit PDF
PDF OCR
Text editing
Signing PDF Documents
Split and merge PDF files
Text Highlighting
Publishing
Print to PDF
PDF Redaction
Document sharing
DottedSign
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No
Freemium • Proprietary
E-signature Tool
Online
Android
iPhone
Android Tablet
iPad
81 alternatives to DottedSign
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.
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DottedSign Features
1. Fill PDF FormsDottedSign supports forms in PDF files.
2. Sign PDF filesDottedSign support signing a PDF document digitally on a touch screen etc.
3. RemindersDottedSign allows you to set reminders for tasks, events or actions, based on parameters of time, place or condition.
Periodic Reminders
Signing PDF Documents
PDF OCR
Custom data fields
Email automation
Mobile friendly
PDF Reader
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No
Freemium • Proprietary
PDF Reader
PDF Editor
Mac
Windows
Android
iPhone
Android Tablet
iPad
241 alternatives to PDF Reader
PDF Reader is the ideal app for anyone who works with PDFs in the office or at home. PDF Reader allows you to organize all annotated information with a few taps.
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PDF Reader Features
1. Sign PDF filesPDF Reader support signing a PDF document digitally on a touch screen etc.
2. PDF compressionPDF Reader can reduce the size of your PDF without losing quality
3. PDF annotationPDF Reader support PDF Annotation for highlighting, notes etc
Freehand Writing
Multiple languages
Create PDF files
Tabbed interface
Edit PDF
Digital fax
Built-in File Manager
Watermark images
Print to PDF
Convert PDF to Word document
Adobe Fill & Sign
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No
Free • Proprietary
E-signature Tool
Android
iPhone
Android Tablet
iPad
74 alternatives to Adobe Fill & Sign
Adobe Fill & Sign lets you fill, sign, and send any form fast. You can even snap a picture of a paper form and fill it in on your phone or tablet. Then e-sign and send. No printing or faxing needed.
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Adobe Fill & Sign Features
1. Sign PDF filesAdobe Fill & Sign support signing a PDF document digitally on a touch screen etc.
Autofill
PDFill
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No
Freemium • Proprietary
PDF Editor
Windows
149 alternatives to PDFill
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...
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PDFill Features
1. Fill PDF FormsPDFill supports forms in PDF files.
2. Sign PDF filesPDFill support signing a PDF document digitally on a touch screen etc.
3. Combine PDFCombine, merge and arrange PDF files into one document.
4. PDF annotationPDFill support PDF Annotation for highlighting, notes etc
5. Split PDF filesPDFill can split PDF files into multiple documents.
Convert images to PDF
Convert PDF to image
Support for Batch Mode
Swiss-army knife
Create PDF files
Scan to PDF
Swiss-army knife tool
LibreSign
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No
Free • Open Source
E-signature Tool
Online
Self-Hosted
Nextcloud
JavaScript
Software as a Service (SaaS)
PHP
96 alternatives to LibreSign
LibreSign is a web application for electronic signatures (e-Sign) developed by the LibreCode cooperative (Brazilian cooperative specialized in free software development). Its development began at the beginning of 2020, in the midst of the pandemic, when people and companies were...
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LibreSign Features
1. Sign PDF filesLibreSign support signing a PDF document digitally on a touch screen etc.
REST API
Digital Signage
Nextcloud integration
DocHub
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No
Freemium • Proprietary
PDF Editor
Online
Google Chrome
Google Drive
Dropbox
71 alternatives to DocHub
Edit, send & sign PDFs online for free.
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DocHub Features
1. PDF annotationDocHub support PDF Annotation for highlighting, notes etc
2. Sign PDF filesDocHub support signing a PDF document digitally on a touch screen etc.
Edit PDF
LightPDF.com
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No
Freemium • Proprietary
PDF Editor
PDF Reader
Online
Android
iPhone
129 alternatives to LightPDF.com
LightPDF is the best free online PDF toolkit that includes 20+ PDF related functions to help people easily edit and convert PDF on Windows, macOS, Android & iOS. No watermark, no plugins and no limits to the time or size.
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LightPDF.com Features
1. Sign PDF filesLightPDF.com support signing a PDF document digitally on a touch screen etc.
2. PDF encryptionLightPDF.com can encrypt and decrypt PDF documents.
3. LightweightLightPDF.com consumes less device resources compared to similar apps.
4. OCRExtract the text from a screen capture or file and paste it into another document for edits.
5. Combine PDFCombine, merge and arrange PDF files into one document.
6. PDF annotationLightPDF.com support PDF Annotation for highlighting, notes etc
7. Split PDF filesLightPDF.com can split PDF files into multiple documents.
8. Fill PDF FormsLightPDF.com supports forms in PDF files.
9. PDF compressionLightPDF.com can reduce the size of your PDF without losing quality
Built-in PDF converter
Cloud based
Convert PDF to image
JPG to PDF Conversion
Convert PDF to Word document
Convert Excel to PDF document
PDF to PPT
Convert PDF to Excel document
JSignPdf
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No
Free • Open Source
Mac
Windows
Linux
LibreOffice
Apache OpenOffice
18 alternatives to JSignPdf
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.
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JSignPdf Features
1. Sign PDF filesJSignPdf support signing a PDF document digitally on a touch screen etc.
Ashampoo PDF Pro
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No
Paid • Proprietary
PDF Editor
Windows
185 alternatives to Ashampoo PDF Pro
Ashampoo PDF Pro is the complete solution to manage and edit your PDF documents. The program has everything you need to create, convert, edit, merge and protect your PDFs. Create perfectly sized documents that are readable on any device and use encryption to protect your...
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Ashampoo PDF Pro Features
1. Combine PDFCombine, merge and arrange PDF files into one document.
2. Fill PDF FormsAshampoo PDF Pro supports forms in PDF files.
Edit PDF
Convert PDF to Word document
AES Encryption