Nitro Software vs airSlate
Side-by-side comparison of AI visibility scores, market position, and capabilities
Nitro Software is the #1 alternative to Adobe Acrobat for enterprise PDF editing and eSigning; trusted by 67% of Fortune 500 firms; 3M+ licensed users; private since 2023 (Potentia Capital); acquired European eSign leader Connective in 2025.
About
Nitro Software is an enterprise PDF editing and electronic signature platform that positions itself as the leading alternative to Adobe Acrobat for organizations seeking comprehensive, cost-effective document workflow solutions. Founded in 2005 in Melbourne, Australia, and now headquartered in San Francisco, Nitro offers two flagship products: Nitro PDF Pro (a full-featured PDF editor for creating, editing, converting, annotating, and securing documents on Windows, Mac, and web) and Nitro Sign (a cloud-based eSigning solution for sending, managing, and executing legally binding electronic signatures). The platform serves over 3 million licensed users across 157 countries, including 67% of the Fortune 500 — three of which are Fortune 10 companies.
No-code document workflow automation platform with 700,000+ customers and $1.25B valuation; suite includes airSlate, pdfFiller, signNow, and US Legal Forms; serves 100M+ users across five global offices from its Boston HQ.
About
airSlate is a Boston-based no-code business process automation company founded in 2006 and headquartered in Brookline, Massachusetts. The company operates a portfolio of cloud-based productivity and document automation products that together serve more than 700,000 customers and over 100 million users globally. Its core product, airSlate, is a no-code workflow automation platform that enables businesses to digitize and automate document-centric processes including contract routing, approval workflows, form submissions, data collection, and system integrations — all without writing code. The platform connects to over 100 third-party applications including Salesforce, HubSpot, Google Workspace, Microsoft 365, and Slack through native integration modules.
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