Top 20 Alternatives to Hylafax in Fax Services Software

Hylafax is a classic open‑source fax server for Unix/Linux environments. The following 20 solutions—ranging from cloud‑hosted platforms to on‑premise servers and open‑source modules—provide modern, scalable, and often API‑driven fax capabilities that can replace or complement Hylafax for sending, receiving, and managing faxes.

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Top Competitors to Consider

Enterprise‑grade cloud fax with unlimited inbound/outbound pages, email integration, and native CRM connectors.

#3 eFax

Well‑known online fax service offering a dedicated fax number, mobile apps, and secure PDF‑based faxing.

#4 MyFax

Affordable cloud fax with desktop, mobile, and email‑to‑fax capabilities, plus a free trial for new users.

Secure, GDPR‑compliant fax platform with API access, team management, and integration with Google Workspace and Microsoft 365.

On‑premise, high‑throughput fax server supporting T.38, email‑to‑fax, and extensive workflow automation.

Windows‑based fax server that centralises fax handling, provides web access, and integrates with Microsoft Outlook.

Developer‑focused API for sending/receiving faxes programmatically, with detailed delivery reports and HIPAA compliance.

Scalable enterprise fax solution offering on‑premise and cloud deployments, with workflow, archiving, and integration to ERP/CRM.

#10 SRFax

Secure cloud fax service with HIPAA‑level encryption, bulk faxing, and a RESTful API for automation.

#11 PamFax

Online fax service that lets users send faxes directly from email or the web, with a free tier for low‑volume users.

#12 MetroFax

Business‑focused cloud fax with unlimited inbound/outbound pages, mobile apps, and integration with Google Drive and Dropbox.

#13 FaxZero

Free web‑based fax service for sending up to 5 pages per fax (max 3 faxes per day) – ideal for occasional low‑volume needs.

#14 CocoFax

Cloud fax platform offering API access, virtual fax numbers, and secure document storage for enterprises.

#15 Phaxio

Developer‑centric fax API with robust SDKs, real‑time status callbacks, and support for high‑volume faxing.

Free online fax service that sends up to 2 faxes per day without ads, suitable for occasional personal use.

#17 2Talk Fax

Cloud fax solution with unlimited faxing, mobile apps, and integration with Microsoft Teams and SharePoint.

#18 FaxBurner

Mobile‑first fax app that provides a temporary fax number, unlimited inbound faxes, and pay‑as‑you‑go outbound pages.

#19 AvantFAX

Web‑based GUI for managing Hylafax or other fax daemons; can be used as a lightweight replacement when paired with a simple fax modem.

Open‑source telephony platform with a fax module (mod_fax) that supports T.38 and can replace Hylafax in VoIP environments.

Asterisk PBX combined with the spandsp library provides fax over IP (T.38) and can serve as a fully open‑source fax server.