FaxServer by GFI Software is an on‑premise fax solution that integrates with email, Active Directory, and document management systems. Below is a curated list of 20 alternative fax service platforms—cloud‑based, on‑premise, or hybrid—that can replace or complement FaxServer for businesses of any size.
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Cloud‑based fax service with secure email‑to‑fax, mobile apps, and unlimited inbound/outbound faxes for enterprises.
Integrated fax solution within RingCentral's UCaaS platform, offering virtual fax numbers, API access, and compliance‑ready archiving.
Simple online faxing with desktop and mobile apps, unlimited inbound faxes, and support for PDF, DOC, and image formats.
Enterprise‑grade fax server that can be deployed on‑premise or in the cloud, featuring LDAP integration and audit trails.
Secure, HIPAA‑compliant fax service with API, bulk faxing, and dedicated fax numbers for healthcare and legal firms.
Affordable cloud faxing with unlimited inbound faxes, mobile apps, and a web portal for managing fax history.
Robust on‑premise fax server offering high‑volume faxing, integration with ERP/CRM, and advanced routing rules.
Industry‑leading fax server solution that supports on‑premise, hosted, and hybrid deployments with strong security controls.
Modern cloud fax platform with e‑signature, API, and compliance features, plus mobile apps for iOS/Android.
Developer‑focused fax API service that enables programmatic sending/receiving of faxes with detailed delivery reports.
Online fax service that lets users send faxes directly from email or web, with a focus on ease‑of‑use and PDF support.
Free and paid plans for temporary fax numbers, mobile faxing, and cloud storage of received faxes.
Secure cloud fax solution with encrypted transmission, audit logs, and integration with Microsoft 365.
Automated fax workflow platform that routes faxes to business applications via email, FTP, or API.
Enterprise fax service offering dedicated fax lines, high‑volume routing, and compliance reporting.
US‑based fax service with toll‑free numbers, online portal, and optional fax‑to‑email forwarding.
Cloud fax platform under the J2 umbrella, providing virtual fax numbers, API, and multi‑user management.
Free online fax service for sending up to 3 pages per fax, suitable for occasional low‑volume needs.
Secure fax solution with end‑to‑end encryption, audit trails, and integration with SharePoint and other DMS.
Open‑source fax server built on Hylafax, offering web UI, LDAP integration, and customizable routing.