HylaFAX+
HylaFAX+: A configurable free fax server for Linux administrators managing modem-based workflows. Ranked #16 of 23 in Fax Server Software by our editors (7.5/10); pricing: Free plan; best for linux administrators wanting free modem faxing.
At a glance
- Editor score7.5 / 10
- PricingFree plan
- Best forLinux administrators wanting free modem faxing
- Free planYes
- Paid fromFree
- Deployment modelOn_premises
- Facts checked20 Sep 2026
Where it wins
- Free and open source for self-hosted fax infrastructure
- Supports multiple modems, queued processing, routing, and broadcasting
- Provides fax-to-email and email-to-fax gateways
Where it doesn't
- Requires Linux and on-premises administration
- No AI features
- Broader platform and ecosystem coverage is limited
Our verdict on HylaFAX+
HylaFAX+ is open-source fax server software for Unix-like environments, with Linux and self-hosted deployment options. It is designed for organizations that operate their own fax infrastructure rather than relying on a hosted fax service. Administrators can use it to send and receive facsimiles, support multiple users and modems, and manage server-side fax submission. Its fit is strongest for Linux administrators who want free modem faxing with configurable operational controls.
The project distributes source code freely, making cost structure straightforward for teams that can provide their own infrastructure and administration. The published feature set covers queued outbound fax processing, automated distribution and routing, broadcasting to multiple recipients, fax logging and reporting, and modem configuration and monitoring. Color fax sending and receiving is also supported. Email gateways add two-way workflow options: fax-to-email can deliver received faxes through email, while email-to-fax can accept outbound submissions through email. These capabilities give HylaFAX+ useful coverage for organizations with established internal fax processes.
Its main trade-off is operational scope. HylaFAX+ is intended for Linux and self-hosted, on-premises environments, so teams looking for a managed cloud service or a broader hosted platform should choose an alternative. Administration centers on modems, server configuration, routing, queues, monitoring, and client-server submission rather than a simplified web-service model. The product also does not provide AI features. Choose HylaFAX+ when control, source availability, multiple-modem support, and email-based fax workflows matter more than hosted convenience or broad ecosystem coverage.
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HylaFAX+ pricing
HylaFAX+ fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Deployment model | On_premises |
| Modem or gateway support | Yes |
| Fax routing rules | Yes |
| Email fax workflow | Yes |
| Searchable fax archive | Not verified |
| Concurrent fax channels | Not verified |
| Deployment | Self-hosted |
| Platforms | Linux |
| Support | Docs |
| Built for | Mid-market, Enterprise (editorial estimate) |
| Pricing | Free plan |
| Website | hylafax.sourceforge.io |
| Facts checked | 20 Sep 2026 |
Alternatives to HylaFAX+
- OpenText Fax (RightFax)A deployment-flexible fax platform for complex, regulated document workflows.9.4
- Esker VSI-FAXA mature on-premises fax server for high-volume workflows and complex routing.9.1
- FaxCoreA flexible enterprise fax server with strong archiving, routing, and integration options.8.9
See all HylaFAX+ alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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