Compare the Top Fax Server Software for Linux as of May 2025

What is Fax Server Software for Linux?

Fax server software is a solution that allows businesses to send and receive faxes electronically through a network, rather than relying on traditional fax machines. It integrates with existing IT infrastructure, enabling users to send faxes from their computers, email, or other digital devices. Fax server software typically supports features such as document routing, storage, and forwarding, along with features like fax-to-email or email-to-fax capabilities. It helps streamline communication, reduce paper usage, and improve fax management by allowing organizations to centralize and automate fax workflows. Additionally, fax server software can ensure compliance with regulations like HIPAA, where secure transmission of sensitive information is required. Compare and read user reviews of the best Fax Server software for Linux currently available using the table below. This list is updated regularly.

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    Medsender

    Medsender

    Medsender

    HIPAA compliant secure faxing built exclusively for healthcare. Medsender integrates with dozens of top EMR / EHR systems and provides everything you need out of the box to view, sign, edit, and upload documents to your EMR system. Medsender's optional automation feature can also automatically label incoming faxes and upload them to the corresponding patients' chart in your EMR, saving several hours of manual work each day. You can keep your existing fax numbers and / or get new fax numbers from Medsender. Free trial available, no contracts and no commitments. Medsender integrates instantly with your EMR so your patient records and documents are always up-to-date.
    Starting Price: $99 per month
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  • 2
    3CX

    3CX

    3CX

    3CX is a software-based, open standards IP PBX that offers complete Unified Communications, out of the box. Suitable for any business size or industry 3CX can accommodate every need; from mobility and status to advanced contact center features and more, at a fraction of the cost. Ideal for companies working remotely, 3CX includes mobile apps, video conferencing and website live chat. Installation, management and maintenance of the PBX is so easy that you can effortlessly manage it yourself, whether on an appliance or server at your premise on Windows, Linux or in the cloud. Alternatively you can choose to have it hosted by 3CX for a completely hassle-free solution.
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    Starting Price: Free for up to 10 users
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  • 3
    ICTFax

    ICTFax

    ICT Innovations

    ICTFax Service Provider Edition is open source Fax Server software with multitenant and white label support, it enables user to offer internet Fax services to his customers . ICTFax is HIPPA compliant fax software. ICTFax is T.38 based fax server software featuring web to fax, fax to web, email to fax, fax to email, extension / DID and ATA Fax support, bulk internet faxing, quota based user limitation and much more. ICTFax SP Edition is offered with white label and multi tenant support that enable our customers to offer hosted / cloud online Fax services to their customers like Inbound / Outbound online Fax services Web to Fax and Fax to Web Email to Fax / Fax to Email ATA / Extension Fax services Daily / monthly quota based allocation to users unlimited users / unlimited extension and DID's addition HIPPA Complaint fax application Multi tenant and scale able fax server
    Starting Price: $0.00/one-time
  • 4
    Fax.Plus
    Fax.Plus is an extremely secure HIPAA and SOC 2 Type 2 compliant online faxing solution for businesses of all sizes, from large enterprises to SMEs and even individuals. Fax.Plus Features: • Extremely easy to use with availability on multiple platforms, including web, mobile, email, and more. • Set up team with the option to assign one/multiple fax numbers to one/multiple members. • Programmable fax API to integrate online fax functionalities into your own software. • Compliant with the world’s strictest data regulations such as ISO 27001, SOC2 Type 2, … • HIPAA compliant faxing solution for healthcare providers to transmit individuals’ protected health information (PHI). • Data encryption in transit and at rest. • Date residency to meet all your data compliance requirements. • Extensive integrations: Slack, Zapier, Google Workspace, Microsoft, ... • Single Sign-On (SSO).
    Starting Price: $6.99 per month
  • 5
    GAO Research

    GAO Research

    GAO Research

    GAO Research Inc. is your software solution provider for embedded modem software, fax modem software, speech codecs, and telephony software for electronics equipment, telecommunications and semiconductors for embedded engineering. GAO offers VoIP & FoIP solutions, V.92 and V.90 with any fallback softmodems required, Super G3 & G3 and standard fax software, and speech & video codecs – all of this on the industry's broadest range of DSPs and microprocessors. In addition to superior software, GAO provides unparalleled technical support, extensive platform expertise, and state-of-the-art testing facilities. GAO offers systems designers and engineers a complete VoIP packaged solution, which includes modules for fax and data over IP. This reduces development time and time to market. The typical components of an IP Telephony System are User Interface, Voice Processing, Network Protocols, Network Management, and System Services.
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    ActFax

    ActFax

    ActFax Communication-Software

    ActFax the fax server software for Windows and Unix. As a leading product for company-wide integration of network fax solutions, ActFax sets standards for years. Fax messages are sent from any workstation and any application in a matter of seconds. Many major companies from different business lines all over the world are our customers and trust in ActFax. The client/server architecture of ActFax stands for a fast and simple integration of fax and email with Windows as well as other operating systems, like Unix (i.e. AIX, HP-UX, Solaris), Linux, DOS or mainframes. The software also offers full support for terminal server and Citrix (XenApp) environments. The connection to the public switched telephone network can be done through analog lines, ISDN, VoIP/FoIP, SIP and T.38, as well as Web Fax Providers. The easy integration of ActFax into own applications is used for fully automated fax transmissions.
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    Esker VSI-FAX
    Esker VSI-FAX is a comprehensive, multi-platform fax server solution that enables businesses to send and receive faxes directly from desktop applications and enterprise systems across Linux, Unix, and Windows environments. By integrating seamlessly with existing Voice over IP (VoIP) networks through Fax over IP (FoIP) technology, it eliminates the need for traditional fax hardware, reducing operational costs by up to 40%. The solution supports high-volume production faxing and offers features such as automated document delivery, native file imaging, and flexible routing options, enhancing efficiency and reliability in fax communications.
  • 8
    eFax Corporate
    eFax Corporate is a HIPAA-compliant secure cloud fax service that lets your staff send and receive faxes online from any device such as a PC, laptop, smartphone or tablet. We help many organizations cut costs, reduce management overhead and increase productivity while maintaining regulatory compliance and enhancing security. We use TLS encryption and AES 256-bit encryption for faxes in transit and at rest, and our secure fax API integrates to your applications. BAA also available. eFax Corporate offers more business faxing and secure information exchange solutions than you might think. From Large File Sharing capability, to advanced fax annotation, mobile apps, regulatory compliance, and a secure fax API that integrates to your existing business applications such as a CMS or EHR system and can power high volume faxing— eFax Corporate is your comprehensive fax solution.
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