List of the Top 8 Fax Server Software for Linux in 2025

Medsender offers a comprehensive automation solution for healthcare, featuring HIPAA-compliant faxing, emails, SMS, forms, and signatures, all effortlessly integrated into your electronic medical records (EMR) system. Utilizing cutting-edge artificial intelligence, it streamlines processes by securely managing incoming faxes through a cloud platform that sorts them automatically to the appropriate staff and patient charts. Patients benefit from an easy-to-use interface for filling out forms and sending notes, further enhancing communication and efficiency. With a simple one-click setup, there's no need for traditional fax machines, and Medsender's compatibility with all major EMRs, along with ongoing integration developments, ensures flexibility. Additionally, it can function independently of an EMR, allowing for versatile usage across various healthcare environments. By leveraging the latest AI advancements, we help you minimize repetitive tasks and unnecessary busy work, providing peace of mind. Currently, Medsender successfully handles over 5 million pages of patient data while maintaining an impressive uptime of over 99.9%. This commitment to reliability and efficiency makes Medsender an invaluable asset for healthcare providers seeking to enhance their operational workflows.

3CX is a versatile, software-driven IP PBX built on open standards that delivers comprehensive Unified Communications straight out of the box. It caters to businesses of all sizes and across various sectors, offering a full suite of features that range from mobility and presence indicators to sophisticated call center functionalities, all at a significantly reduced cost. This platform is particularly well-suited for remote work environments, featuring mobile applications, video conferencing capabilities, and live chat integration for websites. Installation, management, and maintenance of the PBX are straightforward, allowing users to easily handle it themselves on their own hardware, a dedicated server, or via a cloud environment. Alternatively, users can opt for 3CX's hosting services to simplify their setup even further. With its user-friendly design and extensive feature set, 3CX empowers companies to enhance their communication strategies effectively.

Fax.Plus is a trustworthy and secure online fax solution designed for individuals, small to medium enterprises, healthcare professionals, and various organizations, enabling them to effortlessly send and receive faxes via their computers or mobile devices. Key features of Fax.Plus include: * Compliance with HIPAA regulations for secure faxing * Absence of certain integration options * Seamless integration with G Suite * An encrypted archive that stores all sent and received faxes for later access * Availability across multiple platforms, including web, Android, and iOS * The option to obtain toll-free fax numbers * Global coverage for users around the world. With its variety of features, Fax.Plus caters to diverse faxing needs while ensuring security and accessibility.

ICTFax SP Edition provides white label and multi-tenant capabilities, empowering clients to deliver hosted or cloud-based online fax services to their own customers. This includes features such as inbound and outbound online fax services, email to fax and fax to email functionalities, as well as ATA and extension fax services. Users can benefit from daily or monthly quota-based allocations, while enjoying the flexibility of adding unlimited users, extensions, and DIDs. Additionally, this solution allows for seamless scalability to meet the growing demands of businesses in need of reliable fax services.

eFax Corporate is a cloud-based fax service that complies with HIPAA regulations, enabling your team to send and receive faxes digitally through various devices, including computers, laptops, smartphones, and tablets. Numerous businesses opt for eFax Corporate to save money, boost efficiency, and lower operational expenses while ensuring adherence to regulatory standards. The service employs TLS encryption and AES256-bit encryption to protect faxes both in transit and at rest. Additionally, our secure fax API seamlessly integrates with your existing applications, providing a streamlined experience. A Business Associate Agreement (BAA) is also offered to further enhance your compliance efforts. This makes eFax Corporate an ideal solution for organizations seeking secure and efficient faxing capabilities.

GAO Research Inc. is a versatile software solution provider that focuses on embedded modem software, fax modem technologies, speech codecs, and telephony software specifically designed for industries such as electronics, telecommunications, and semiconductors within the realm of embedded engineering. The company offers a wide range of services, including VoIP and FoIP solutions, as well as V.92 and V.90 softmodems with fallback functionalities, in addition to Super G3 and G3 fax software and sophisticated speech and video codecs, all compatible with a diverse selection of DSPs and microprocessors available in the market. In addition to high-quality software offerings, GAO prides itself on delivering outstanding technical support, extensive platform knowledge, and state-of-the-art testing facilities to its clients. Moreover, GAO provides system designers and engineers with an all-encompassing VoIP packaged solution that includes modules for both fax and data transmission over IP, thereby facilitating quicker development timelines and faster market introduction. A standard IP Telephony System is made up of crucial components like User Interface, Voice Processing, Network Protocols, Network Management, and System Services, all playing vital roles in optimizing system performance. This comprehensive approach guarantees that clients benefit from not just innovative software solutions but also the essential tools needed to improve their operational efficiency, ultimately leading to better overall performance and customer satisfaction. Through its unwavering commitment to excellence, GAO Research Inc. continues to set new benchmarks in the industry.

Esker VSI-FAX is a comprehensive fax server solution that caters to various platforms, enabling organizations to send and receive faxes seamlessly from their desktop applications and enterprise systems across Linux, Unix, and Windows environments. By utilizing Fax over IP (FoIP) technology, this solution integrates smoothly with existing Voice over IP (VoIP) networks, eliminating the need for traditional fax machines and resulting in operational cost savings of up to 40%. It is designed to manage high-volume fax production, featuring automated document delivery, native file imaging, and customizable routing options that greatly enhance the efficiency and reliability of fax communications. Moreover, its flexible design makes it an ideal choice for businesses of all sizes seeking to optimize their faxing workflows. With its robust capabilities, Esker VSI-FAX not only simplifies the faxing process but also supports the dynamic needs of modern enterprises.

ActFax is a powerful fax server solution tailored for both Windows and Unix systems, esteemed for its ability to seamlessly integrate network fax services within a multitude of organizations. Over the years, it has established industry standards, enabling users to send fax messages from any workstation or application in just a matter of seconds. A wide array of leading companies across different industries worldwide depend on ActFax for their faxing requirements. Its client/server architecture supports smooth integration of fax and email functionalities, accommodating not only Windows but also Unix variants such as AIX, HP-UX, and Solaris, as well as Linux, DOS, and mainframes. Furthermore, ActFax boasts complete compatibility with terminal server and Citrix (XenApp) setups, providing extensive deployment options. Users can connect to the public switched telephone network using several methods, including analog lines, ISDN, VoIP/FoIP, SIP, T.38, and even Web Fax Providers. The software is designed for easy integration into custom applications, allowing for fully automated fax sending, which can greatly improve operational efficiency and productivity. With such versatility and dependability, ActFax stands out as a preferred solution for businesses looking to enhance their communication workflows and streamline fax operations.