Best E-Signature Software - Page 23

How Many E-Signature Software Products Does G2 Track?

Total Products under this Category: 733

Category Stats (Nov 2026)

  • Average Rating: 4.59/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: CloudFiles (+0.89%) - Among all products in this category, CloudFiles recorded the largest rating increase compared to last month

Last updated: November 01, 2026

How Does G2 Rank E-Signature Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 61,200+ Authentic Reviews
  • 733+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for E-Signature Software

G2 Grid® for E-Signature Software plotting products by satisfaction and market presence

Highlighted products: Adobe Acrobat, Docusign, PandaDoc, Jotform Sign, Foxit PDF Editor, BoldSign, Adobe Acrobat Sign, and DocuSeal.

Underlying data: [Grid® JSON](https://www.g2.com/categories/e-signature/grids.json?focus%5B%5D=adobe-acrobat&focus%5B%5D=docusign&focus%5B%5D=pandadoc&focus%5B%5D=jotform-sign&focus%5B%5D=foxit-pdf-editor&focus%5B%5D=boldsign&focus%5B%5D=adobe-acrobat-sign&focus%5B%5D=docuseal)

Certified Communication

Certified Communication: Notifies. Accredits. Validates. Digitalizes, officializes and certifies any management with the support of a Trusted Third Party. It reaches a validity superior to the bureaufax with guarantee of non-repudiation and notarial deposit. Minimum custody of 5 years. Relate with your customers, employees, suppliers or users with the maximum technical and legal guarantees. Send notifications, electronic bureaufax, seal documents or accredit processes with an agile, simple and adaptable solution. The Tecalis Certified Communication solution allows you to boost productivity and optimize costs by digitizing key processes, as well as to reach your target with total security, through any imaginable channel. It gives evidentiary efficiency, proves and guarantees any type of operation, transaction or notification with the best technology. An end-to-end solution capable of securely recording every phase of the process. Complete traceability.

Who Is the Company Behind Certified Communication?

  • Seller: Tecalis
  • Year Founded: 2011
  • HQ Location: Madrid, ES
  • LinkedIn® Page: www.linkedin.com
    61 employees on LinkedIn®

Certigna

Who Is the Company Behind Certigna?

  • Seller: tessi
  • Year Founded: 1971
  • HQ Location: Grenoble, Auvergne-Rhône-Alpes, France
  • LinkedIn® Page: fr.linkedin.com
    4,215 employees on LinkedIn®

certSIGN

Our remote electronic signature service involves the secure storage of the digital certificate. So, generating such a signature does not require a token or special drivers, enjoying many other benefits.

Who Is the Company Behind certSIGN?

  • Seller: certSIGN
  • Year Founded: 2006
  • HQ Location: Sector 5, RO
  • LinkedIn® Page: www.linkedin.com
    231 employees on LinkedIn®

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Chlorophyll

Who Is the Company Behind Chlorophyll?

  • Seller: Luna
  • Year Founded: 2025
  • HQ Location: London, GB
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Circularo

Circularo is a comprehensive digital transaction management platform designed to transform the way organizations handle documents, approvals, and business processes in an increasingly digital world. It brings together secure electronic signing, advanced workflow automation, and enterprise-grade document management into a single, unified environment that supports organizations of all sizes - from individual professionals and startups to large enterprises, government institutions, and system integrators. At its core, Circularo enables users to send, sign, and manage documents digitally using legally compliant electronic signatures, while also providing fully customizable workflows that adapt to specific organizational needs. Documents can move seamlessly through multi-step approval processes that incorporate conditional logic, parallel routing, and role-based permissions, all while offering real-time visibility into progress and status. This allows teams to eliminate manual bottlenecks, reduce processing time, and ensure consistency across operations. Beyond signing and workflows, Circularo functions as a robust enterprise document management system. It allows organizations to securely store, organize, and retrieve documents using full-text search, metadata tagging, and version control, while maintaining complete audit trails for every interaction. This ensures transparency, accountability, and easy compliance with internal policies and external regulations. Circularo also supports collaborative and shared service models, making it particularly effective in complex environments such as enterprise groups or public sector ecosystems. It enables centralized document services across multiple departments or entities, facilitates cross-organizational workflows and approvals, and enforces governance through role-based access controls and delegation mechanisms. This creates a secure and standardized framework for both internal and external collaboration. An important extension of this trusted digital environment is Circularo’s built-in identity verification and KYC (Know Your Customer) capabilities. Through AI-powered identity verification integrated directly into signing workflows, organizations can ensure that every participant in a transaction is authenticated, verified, and compliant before any action is completed. The platform supports biometric liveness checks, government-issued ID verification, and face matching across a global range of identity documents, as well as automated AML screening against sanctions and watchlists. These capabilities help prevent fraud, impersonation, and compliance risks while simplifying onboarding through fast, automated verification processes. Identity verification is seamlessly embedded into document workflows, allowing organizations to trigger KYC checks before or during signing, while maintaining full audit trails that link verified identities to every transaction. This ensures that every document is not only signed, but signed by a verified and trusted party, strengthening legal enforceability and digital trust across all processes. The platform integrates seamlessly with existing digital ecosystems, allowing organizations to work within their preferred tools and systems. Users can create, edit, and sign documents directly through popular productivity suites such as Microsoft Office, Collabora Online, and Google Workspace, while cloud storage integrations like Dropbox ensure secure and accessible document handling. Circularo also connects with digital identity services such as UAE PASS, Nafath, and others, enabling strong authentication and compliant digital signing. Integration with enterprise systems - including ERP, CRM, HR, and finance platforms - ensures end-to-end process automation across business functions. Built on an API-first architecture, Circularo offers extensive flexibility for developers and organizations looking to extend its capabilities. REST APIs make it possible to embed signing and workflow functionality into custom applications, automate document generation and routing, synchronize data across systems, and build entirely new digital services. Additionally, event-driven automation allows workflows to be triggered automatically based on system events, enabling real-time processing and minimizing manual intervention. Security and compliance are fundamental to Circularo’s design. The platform uses end-to-end encryption to protect data both in transit and at rest, while tamper-evident documents, trusted timestamps, and comprehensive audit trails ensure the integrity and traceability of every transaction. Strong authentication mechanisms and granular access controls further enhance security, all supported by a high-availability, cloud-native infrastructure designed for reliability and scalability. Circularo adheres to internationally recognized standards and certifications, including ISO/IEC 27001 for information security management, ISO/IEC 27017 for cloud security, and ISO 9001 for quality management. It complies with the European eIDAS Regulation for legally binding electronic signatures and aligns with ETSI EN 319 401 trust service standards, as well as broader global eSignature frameworks. The platform also supports regional regulatory requirements, including UAE compliance standards, and integrates with national digital identity systems to meet local trust and verification needs. Every transaction processed through Circularo is legally verifiable, cryptographically secure, and fully traceable, providing organizations with a high level of digital trust assurance. Whether used for simple document signing or complex, multi-entity workflows, the platform is designed to scale effortlessly. It supports freelancers and small businesses seeking straightforward solutions, growing organizations looking to automate processes, and large enterprises or governments managing high-volume, multi-entity operations. To accommodate different usage models, Circularo offers flexible pricing options, including per-user plans, transaction-based pricing, and customizable enterprise packages with additional features and services.

Who Is the Company Behind Circularo?

Who Uses This Product?

  • Company Size: 100% Medium

Cisdem PDFMaster

Cisdem PDFMaster is a comprehensive PDF management solution that transforms document workflows with Word-like simplicity. It empowers users to seamlessly edit, annotate, convert, perform OCR, sign, merge, split, compress, encrypt, and fill out PDFs—all within an intuitive interface. Standing out with its advanced AI integration, PDFMaster offers intelligent features for document summarization, accurate translation, grammar enhancement, and AI-assisted text optimization. Unlike most PDF tools, PDFMaster enables direct and intuitive modification of existing text and images within PDF files. With its user-friendly design and powerful functionality, PDFMaster streamlines document management for professionals seeking efficient, reliable PDF editing and handling. Whether you're editing complex documents or performing routine PDF tasks, PDFMaster delivers a seamless experience that matches the familiarity of working in Word. Edit PDF with Word-Like Precision * Edit existing text and images in PDF files just the same way you edit in Word documents. * Inserting custom shapes, digital signatures, hyperlinks, and interactive form fields easily. * Adjusting font characteristics including typeface, color, size, style, and paragraph alignment. * Personalize and protect your documents with professional-grade features like add watermarks, change backgrounds, and adding Bates numbers. Intelligent AI-Powered PDF Optimization * PDF translation for multiple languages. * AI summarization to extract and condense insights from PDF documents with precision. * AI proofreading for grammatical, structural, and stylistic improvements. * AI rewriting capability that enhance clarity, coherence, and overall communication effectiveness. Seamless PDF Conversion and Creation * Convert PDF files into multiple formats including Word, Excel, TXT, JPG, PPT, and CSV, etc. without losing formatting. * Create PDF documents from a wide range of source files, including images, Word documents, Excel and diverse file formats. * Ensuring text, images, fonts, and embedded elements remain perfectly aligned and visually consistent. * Support batch conversion capabilities, allowing you to process multiple files simultaneously with unparalleled efficiency. Advanced OCR Text Recognition Transforms scanned PDFs and images into fully searchable, editable documents. Supporting an extensive range of over 90 languages, including English, French, German, Russian, Chinese, Japanese, and many more. Fill and Create PDF Forms with Ease * Seamlessly fill PDF forms like invoices, contracts, and standardized forms. * Create standard and interactive PDF forms using a comprehensive toolkit of form elements, including buttons, checkboxes, radio buttons, dropdown list boxes, etc. Comprehensive PDF Reader and Annotator * Multiple displaying choices — single page, two-page spread, immersive book mode, and distraction-free reading view to suit your preferred reading style. * Multiple preset reading themes — classic light mode to soothing sepia, elegant dark mode, and calming reseda, ensuring comfortable reading across various lighting conditions. * Enhance accessibility with advanced text-to-speech functionality. * Annotate PDF files with highlights, underline, strikethrough, sticky notes, comment, etc. * Intelligent comparison capabilities that reveal and highlight differences between two PDF files. Flexible PDF Page Management * Support page manipulation tools like rotation, insertion, merging and splitting, and precise page deletion. * Reduces PDF file size without compromising image quality or document integrity. * PDF measurement tool that accurately calculates dimensions and distances within technical drawings, engineering schematics, etc. * Other page handling functions like — Adding or removing headers and footers, pagination, change metadata, etc. Secure and Flexible PDF Signing * Add digital signatures using certificate-based authentication. * Adding signature fields for easy signing. * Digital sign PDF files with typing or freehand drawing. Secure PDF Protecting and Sharing * Add passwords to control PDF access and editing permissions. * PDF redaction tools that safely hide sensitive text and images. * One click to share PDF files with Airdrop, Mail, Messages, and Notes. * Enhance sharing flexibility by offering options to distribute PDFs as flattened copies.

Who Is the Company Behind Cisdem PDFMaster?

Clausign

Clausign is a free electronic signature and secure document platform for realtors, solo contractors, freelancers, and small law firms. We built Clausign for one reason: DocuSign is overkill for most small businesses. You don't need enterprise workflows and per-envelope billing just to get a contract signed. You need something that works in 30 seconds, from any phone, without a credit card. With Clausign you can send NDAs and contracts through secure links, collect legally binding e-signatures, track exactly who opened your document and when, and keep every signed agreement on file — all from a clean, simple dashboard. Every account starts free. No credit card. No time limit. Paid plans start at $19/month for solo professionals who need more volume, and scale up to full deal rooms and court-ready audit exports for teams managing live transactions. Questions? Email us at hello@clausign.com — we reply within one business day. No bots, no ticketing system.

Who Is the Company Behind Clausign?

Clicksign

Who Is the Company Behind Clicksign?

  • Seller: Clicksign
  • Year Founded: 2010
  • HQ Location: São Paulo, BR
  • LinkedIn® Page: www.linkedin.com
    315 employees on LinkedIn®

Concentric

Digital consent to treatment application.

Average Rating: 4.5/5.0

Total Reviews: 1

How Do G2 Users Rate Concentric?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 9.2/10)

Who Is the Company Behind Concentric?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Concentric?

Julie Jung
JJ
Researched and written by Julie Jung
Updated April 9, 2026