Sponsored
altaFlow
altaFlow generates custom docs with a click, integrates eSignatures, creates webforms, and more without coding. It’s the ultimate tool to simplify, automate, and elevate your workflows.
Total Products under this Category: 431
Last updated: August 04, 2026
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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.

Highlighted products: Adobe Acrobat, PandaDoc, Jotform Sign, Foxit PDF Editor, Docusign, Adobe Acrobat Sign, BoldSign, and dotloop.
Underlying data: [Grid® JSON](https://www.g2.com/categories/e-signature/grids.json?focus%5B%5D=adobe-acrobat&focus%5B%5D=pandadoc&focus%5B%5D=jotform-sign&focus%5B%5D=foxit-pdf-editor&focus%5B%5D=docusign&focus%5B%5D=adobe-acrobat-sign&focus%5B%5D=boldsign&focus%5B%5D=dotloop)
Sponsored
altaFlow generates custom docs with a click, integrates eSignatures, creates webforms, and more without coding. It’s the ultimate tool to simplify, automate, and elevate your workflows.
If cutting down on costs associated with paper, print and document distribution is something you’ve been thinking about, then this is a no-brainer. SigniFlow turns expensive paper-based processes into efficient and cost-effective digital workflow transactions. SigniFlow utilises the most advanced & trusted digital signature technologies known to man. SigniFlow brings powerful workflow functionality and ease of document distribution to automate any business process. Let our team of cryptographic experts, experienced engineers and business process automation architects, assist you in digitising your business
A Cloud-based SAAS that caters to providing secure, trusted and efficient digital signing solutions.
SignlyPDF — Free E-Signature & PDF Signing Tool SignlyPDF is a simple, secure e-signature platform for freelancers, HR teams, and small businesses. Upload any document, add signature fields, and collect legally binding signatures in seconds — no downloads, no subscriptions required. Key features: Sign and send PDFs online in seconds Add signature fields, dates, and initials Send via secure link or email Pre-filled IRS forms library (W-9, 1040, W-2, and more) Full audit trail on every signed document 256-bit AES encryption ESIGN Act & eIDAS compliant Works on any device — no app needed
Sign Made Easy is a Salesforce-native e-signature solution that allows businesses to create, send, sign, and manage documents directly inside Salesforce.
"Secure and Reliable Solutions For Salesforce eSigning."
Rating: 4.5/5.0 stars
— Verified User in Information Technology and Services
"Good App for eSignature in Salesforce"
Rating: 5.0/5.0 stars
— Verified User in Information Technology and Services
Sign.Plus is a cloud-based legally-binding electronic signature tool, specifically developed to make workflows faster for businesses of all sizes. Sign.Plus Features include: • Fills, signs, and sends PDF documents, leases, contracts, agreements, NDAs, and more. • User-friendly eSignature solution with availability on multiple platforms, including web, Google Workspace, mobile, and more. • Monitors the real-time progress of signature requests. • Provides reusable templates to send out frequent documents to different recipients. • Provides certificates of completion that contain a tamper-proof audit report with details about the signers. • Set up teams and add employees to the teams. • Compliant with electronic signature regulations such as ESIGN, eIDAS, ZertES, and more. • Compliant with the global data regulations such as ISO 27001, SOC2 Type 2, … • Data encryption in transit and at rest. • Offers data residency to meet all data compliance requirements.
SignRobo gives you multiples option to sign file(s), whether you can use any PFX file or DSC from token/USB drive or scanned signature image. This also allows you to sign multiple times on pages, even by using different DSC/token or signature image file.
SignSetu is a pay-per-use Aadhaar eSign platform built for individuals and small businesses in India. Upload any PDF, verify identity with Aadhaar OTP, and get a legally valid signed document in under 2 minutes. No subscription needed — pay just ₹15 per signature. Powered by eMudhra's licensed Certificate Authority infrastructure, every signature is legally equivalent to a handwritten signature under India's IT Act, 2000.
SignSquare는 실시간 전자 서명, 문서 관리, 보안 기능 등을 제공하여 원활한 계약 체결을 지원하는 클라우드 기반 비대면 전자계약 서비스입니다.
SignThem is an electronic signature software that lets businesses send, sign, and manage documents online. Legally binding under ESIGN and UETA. Features include multiple signers, audit trail, templates, custom branding, and a developer API. Plans start at $6/month.
Millennium Infotech Inc. is the company behind Signulu. An ingenious electronic signature platform that provides next level reliability, consistency, security and performance. Founded by a team of professionals with combination of process and technology, dedicated to delivering a solution that reimagines the way individuals and businesses conduct electronic commerce.
SignZA is South Africa's e-signature platform — built locally, priced in ZAR, and fully compliant with the ECT Act 25 of 2002. Upload a PDF, drag signature fields onto the pages, and send a signing link. Your client opens it on any device and signs in their browser — no app, no account required. You're notified instantly, and a signed PDF with a legally valid audit certificate is ready to download. Every signed document includes an audit trail capturing the signer's name, OTP verification, email, IP address, and timestamp — giving it the same legal weight as a handwritten signature. Key features: drag-and-drop field placement, OTP identity verification, reusable templates, contact book, signing reminders, and real-time notifications. Free plan: 5 docs/month. Pro: R99/month (50 docs). No USD pricing, no forex surprises. Built by Grey Matter Consulting (Pty) Ltd — Reg No. 2020/255888/07.
SigPen is flat-rate e-signature software that lets businesses send unlimited documents for legally binding electronic signatures — with no per-envelope fees. Unlike DocuSign and other usage-based tools, SigPen charges a simple monthly flat rate starting at $9/month, making it ideal for teams that send documents regularly. Key features include unlimited document sending, AI-powered form field detection, reusable signing links, customizable templates, full audit trails, bulk sending, and API access. SigPen is built for real estate agents, HR teams, legal professionals, and any business that needs a reliable, affordable way to collect signatures at scale.
speedyWaiver makes creating, filling and signing online waivers fast and seamless. Your customers sign the digital waiver, and you rest in the confidence that it's stored as a PDF in the digital vault where it can never be lost or misplaced. speedyWaiver supports signing from web browsers, kiosks and mobile phones, and has advanced features such as analytics, groups/events and CRM integration.
RNTrust (SPITrust) enables companies to sign documents and obtain poof that business transaction is made.
E-signature platform that keeps your documents confidential at all times, even during signature.