Proof vs. ZealiD Comparison Chart

Docusign is a cutting-edge cloud-based electronic signature solution that empowers companies of all sizes to send, sign, and manage agreements anytime, anywhere, and on any device. Trusted by more than 250,000 companies in 188 countries, Docusign enables users to sign various types of documents such as school permission slips, business contracts, agreements, and approvals. Docusign also enables users to send and sign documents in multiple languages and provides a mobile application for Android, iOS, and Windows devices. If your organization executes notarial acts, Docusign eNotary makes the notarization process fully digital for all parties involved: senders, signers, and notaries. It enables a Notary Public to act as an in-person witness to electronic signing of documents.

Powerful, all-in-one identity verification, fraud prevention, and compliance platform. iDenfy protects startups, financial institutions, gambling, streaming, ridesharing, and other digital services from identity fraud using a three-layer identity verification process. The process protects businesses from the most threatening forms of identity fraud. iDenfy also provides services for business verification, proxy detection, fraud scoring, AML screening and monitoring, NFC verification, and other fraud prevention services. Founded before AML, fraud, and GDPR regulations were put into place, iDenfy pioneered identity verification. The company covers users' ID verification process in full, combining AI-based biometric recognition and manual human checks to ensure they are real users. Save up to 40% of identity verification costs using our ID verification software. Pay per successful ID verification and save up to 40% of identity verification services expenses.

Authologic is a global identity orchestration platform that connects all major verification methods through one API — enabling secure, compliant, and seamless digital onboarding worldwide. It combines government databases, e-IDs, digital wallets, bank IDs, document OCR & biometrics into a single flow — helping businesses onboard users faster, reduce fraud & meet KYC, KYB, and AML requirements. Authologic integrates over 50 methods in more than 200 countries, ensuring consistent & compliant identity verification globally. With automated routing, fallback & workflow optimization, it adapts easily to multiple markets without rebuilding onboarding processes. Built for compliance & scalability, Authologic is eIDAS 2.0-ready, PSD2 AISP-licensed, ISO 27001 / 9001 / 22301 certified, and backed by Y Combinator, operating from London, San Francisco & Warsaw.

LinkSquares is the leading Contract Lifecycle Management (CLM) software designed to help legal, procurement, and business operations teams master the entire contract lifecycle, from creation to execution and renewal. The platform transforms how companies manage agreements by centralizing data, automating routine work, and providing actionable insights powered by AI. This single, connected source of truth helps teams eliminate manual processes, streamline workflows, boost visibility, and ensure compliance across thousands of contracts, ultimately reducing risk and administrative burden. Organizations choose LinkSquares to empower legal, sales, finance, and procurement teams to collaborate seamlessly, make faster and more informed decisions, and optimize deal outcomes. With LinkSquares, organizations benefit from accelerated contracting cycles, enhanced compliance controls, and the freedom for teams to focus on high-value strategy instead of paperwork.

Auth0 takes a modern approach to Identity, providing secure access to any application, for any user. Safeguarding billions of login transactions each month, Auth0 delivers convenience, privacy, and security so customers can focus on innovation. Auth0 is part of Okta, The World’s Identity Company™. Auth0 lets you quickly integrate authentication and authorization for web, mobile, and legacy applications, with new Fine Grained Authorization (FGA) that goes beyond role-based access control. Authenticate users across all applications with a customized, secure, and standards-based single login. Universal Login connects users to a central authorization server. Credentials aren’t transferred across sources, which boosts security and protects against phishing and credential stuffing attacks. OAuth 2.0 recommends that only external user agents (like the browser) be used by native applications for authentication flows. Auth0’s Universal Login achieves this while enabling SSO.

Iris delivers flexible, integration-ready identity protection solutions that enable businesses to embed powerful security features directly into their existing digital experiences — without the cost or complexity of building from scratch. Whether you want full control or a pre-built experience, Iris offers two seamless approaches: Identity Protection API A developer-first solution that delivers Iris solutions (dark web monitoring, credit services, & much more) directly into your platform. Ideal for teams that want to fully customize the user experience while leveraging powerful protection behind the scenes. Micro-Experiences Customizable, embeddable components (“drop-in” modules) that can be added to your app or website. Perfect for quickly launching high-impact protection features with minimal development lift. Iris helps you turn identity protection into a seamless, value-added feature of your platform, driving engagement, trust, and long-term customer loyalty.

Iru (formerly Kandji) is an all-in-one, AI-powered security and compliance platform designed to simplify IT management and strengthen enterprise protection. Built on the Iru Context Model, it unifies identity, endpoint, and compliance into a single intelligent system that understands users, devices, and applications in context. With passwordless workforce identity, advanced endpoint detection, and automated compliance, Iru delivers both security and efficiency without the complexity of multiple tools. Its integrated approach enables IT teams to secure access, prevent threats, and maintain continuous audit readiness—all from one intuitive platform. Trusted by over 5,000 companies including Plaid, Notion, Airbus, and Vercel, Iru transforms how modern businesses manage digital trust. The result is reduced IT workload, improved employee experience, and enterprise-grade protection built for the AI era.

Josys is the Automated Identity Governance and Administration (IGA) Platform designed to simplify how IT works. Trusted by IT teams and Managed Service Providers (MSPs), Josys delivers complete visibility and control over every user, application, and access permission within their identity perimeter. By automating critical workflows, including access review audits, lifecycle management, shadow IT detection, and license optimization, Josys transforms complex access policies and governance into seamless, autonomous processes that drastically reduce security risks, optimize spend, and unlock true operational efficiency.

Frontegg is a Customer Identity and Access Management (CIAM) platform that simplifies authentication, authorization, and user management for SaaS companies. It enables developers to implement advanced identity features quickly, then shift ongoing administration to other teams. With Frontegg, Product, Infosec, and Customer Success teams can take control of key identity tasks like managing user roles, enforcing security policies, and handling customer requests, all without engineering support. Developers reduce toil and regain focus on core product work, while stakeholders move faster without bottlenecks. Frontegg supports modern identity features including SSO, MFA, role-based access control, entitlements, multi-tenancy, and audit logs. Its low-code platform integrates in days and provides a user-friendly admin portal that bridges technical and non-technical teams. Frontegg increases operational efficiency, improves security posture, and enhances the customer experience.

Greenhouse is more than an ATS – they’re a true hiring partner that gives companies of all sizes everything they’ll ever need to get measurably better at hiring. With Greenhouse, organizations can cut recruiting costs and ensure every hire is the right hire. Their industry-leading, AI-powered software supports every stage of the hiring process, from sourcing to onboarding, empowering companies to hire top talent quickly, consistently and fairly – today and as their business grows. With a structured hiring approach at its core, Greenhouse makes it easy to define the role, requirements and attributes of a successful candidate before a job is posted, enabling internal alignment and more confident, data-driven decisions. Greenhouse Real Talent™ enhances this process by helping teams identify and prioritize real, qualified candidates while detecting fraud, spam and impersonation attempts.