List of the Top 16 SaaS Terminal Emulators in 2025

Rio is a terminal application engineered with Rust, WebGPU, and the Tokio runtime, focused on delivering outstanding frames per second while allowing for reduced GPU consumption. Its rendering engine is built on a Redux state machine, which ensures that lines that remain unchanged are not redrawn, thus optimizing the rendering process most of the time. Additionally, Rio is designed to be compatible with a WebAssembly runtime, which opens avenues for future features like customizable tab systems through WASM plugins created in various programming languages. Furthermore, Rio incorporates WGPU, a WebGPU implementation tailored for non-browser contexts, and serves as a backend for Firefox's own WebGPU implementation, enabling more efficient use of contemporary GPUs in comparison to WebGL alternatives. This commitment to performance and flexibility positions Rio as an adaptable terminal choice, catering to users who value both speed and customization options. Users can expect a seamless experience that balances resource efficiency with powerful functionality.

Terminal emulation enables a personal computer to replicate the look and functionality of older terminal models, allowing the execution of software specifically designed for those terminals. A leading option in terminal emulator software is OpenText HostExplorer, which is particularly effective for IBM® 3270 Mainframes, AS/400s, UNIX, and FTP hosts. This program facilitates fast, secure, and reliable connections from Microsoft® Windows® PCs to a variety of enterprise systems. Organizations utilizing HostExplorer can take advantage of modern PC and web technologies while still protecting their investments in data and information systems. Transitioning to this software allows companies to maintain the current user experience, eliminating the need for retraining and minimizing disruptions to daily operations. Additionally, it simplifies maintenance through automatic updates and centralized management, which significantly lowers both costs and the effort required for upkeep. With its comprehensive features, HostExplorer is an invaluable asset for businesses aiming to upgrade their terminal access while ensuring reliability is not sacrificed. This adaptability not only enhances productivity but also aligns with evolving technological demands in the corporate environment.

StayLinked provides a seamless transition to cutting-edge devices while enhancing productivity through advanced business intelligence and facilitating interaction with innovative technologies like automation, robotics, and augmented reality. Maintaining employee engagement on the job is vital, yet traditional terminal emulator solutions often lead to inconsistent performance and connectivity issues. As a result, end users frequently find themselves spending more time troubleshooting with help desk support than executing essential application tasks. By eradicating lost sessions, enabling centralized configuration and management of applications, and offering efficient help desk tools, StayLinked guarantees optimal performance for both applications and users. Notably, StayLinked Terminal Emulation stands out as the quickest terminal emulation solution for mobile devices, in contrast to conventional terminal emulators that route all telnet/SSH traffic directly to the mobile device. This efficiency not only boosts productivity but also empowers users to focus on their core responsibilities without interruption.

Rocket® Passport terminal emulation solutions include both Rocket Passport Web to Host® and Rocket Passport PC to Host, offering a complete array for accessing host systems. The Rocket Passport Web to Host software functions as a powerful, browser-based IBM® 3270 emulator that can significantly reduce costs for businesses that are currently using alternative desktop terminal emulators. It features advanced IBM TN3270E emulation, basic TN3270 emulation, and compatibility with IBM® i (TN5250), UNIX/DEC (VT), as well as secure File Transfer Protocol (FTP). By leveraging Passport Web to Host, remote or distributed Windows users can efficiently connect to host systems, benefiting from essential tools for secure and dependable connectivity. This solution includes SSL and SSH security support, VB Script for macro development, HLLAPI, and an Object API that facilitates smooth integration with IBM applications, along with extensive cut-and-paste capabilities within Windows. Moreover, Passport PC to Host equips Windows users with all the necessary tools to create secure and effective linkages to host systems, thereby enhancing the overall user experience. Together, these solutions reinforce Rocket's leadership in the realm of terminal emulation technology, making it a go-to choice for businesses seeking reliable connectivity. As a result, organizations can streamline their operations while ensuring robust and secure access to their critical systems.

Flynet Viewer™, a terminal emulation solution, is a web-based tool designed to access essential business systems seamlessly. This innovative terminal emulator enables users to connect to Mainframe, iSeries, and Unix systems from any device without the need for client software installation. It operates from a server environment, which can be hosted either on-premises or in the cloud, and is centrally managed through the Flynet Viewer administration center. The software is universally compatible with all web browsers and devices, eliminating the need for ActiveX or Java plugins. Flynet Viewer is equipped with an array of features typical of enterprise-level terminal emulators, such as file transfer capabilities, client and server-side macros, as well as single sign-on (SSO) and multi-factor authentication (MFA). In addition to these features, it also supports keyboard remapping for enhanced user experience. While it provides the same extensive functionality as traditional desktop terminal emulation clients, Flynet Viewer delivers its services over the internet through a browser interface. This flexibility ensures that Flynet Viewer Terminal Emulation can be utilized on any device, regardless of the operating system or the browser being used, making it a versatile solution for modern business needs. Its browser-based nature allows for easy access and management, streamlining workflows and improving overall productivity.

Wavelink's terminal emulation features significantly enhance your enterprise systems, enabling warehouse staff to access them through mobile devices. This innovative technology boosts the speed and precision of picking tasks, resulting in higher task completion rates for each shift. It also allows for barcode scanning, process automation through scripting, and integrates voice functionality, all without altering your existing host system. Employees can effectively manage a variety of tasks such as inventory control, picking, receiving, and cross-docking, both on the warehouse floor and beyond. Our solutions streamline task navigation and leverage advanced data capture technologies that are compatible with your preferred mobile devices, seamlessly integrating with major systems like Manhattan, JDA, and Infor. As employees handle multiple tasks, our telnet solutions are tailored to support this multitasking ability. Ultimately, the goal is to maximize order shipments, especially during peak periods, ensuring your operations function as efficiently as possible. This focus on efficiency not only elevates productivity levels but also leads to a marked improvement in overall business performance, allowing organizations to better meet customer demands. By implementing these solutions, companies can better adapt to the dynamic environment of warehousing and logistics.

We are proud to present a powerful, fast, and secure operating system designed for Windows® that offers seamless connectivity solutions and robust support for IBM mainframes and AS/400 systems, now further improved with web and mobile interface functionalities. This software makes use of TCP/IP in conjunction with the Winsock interface, which allows users to easily connect to IBM mainframes through both LAN and dial-up methods. QWS3270 Secure acts as a 3270 emulation tool, granting PCs the capability to access SSL-enabled IBM mainframes via a secure TCP/IP connection. Moreover, the application facilitates rapid connections to AS/400 systems utilizing the same TCP/IP and Winsock framework, regardless of whether the connection is through LAN or dial-up. The WIRE platform delivers a web-based modernization solution targeting the enhancement of mainframe application user interfaces, effectively making them accessible in both web and mobile formats, thereby increasing usability for users on a variety of devices. By integrating these advanced technologies, the system not only boosts operational efficiency but also significantly enhances the overall user experience, paving the way for future innovations in connectivity.

Sessions can be customized through the use of hotspots and keyboard mapping, while web frameworks are specifically designed for mainframe applications. Applications can be centrally installed and deployed, ensuring they are readily available to users. When users connect to your server, they automatically receive the latest updates without any manual intervention. You can connect with any major GDS for seamless integration. The Airlines Printer component enables the generation of tickets, baggage tags, and boarding passes, enhancing operational efficiency. Host systems can be accessed to provide IBM, UNIX, and Unisys data directly to browsers from any location, eliminating the necessity for Java. The new Reflection for the Web Launcher facilitates user access to mainframe and other applications, effectively removing dependency on Oracle Java. Additionally, users are empowered to work according to their preferences by accessing terminal sessions, performing file transfers, and utilizing printing capabilities. This flexibility greatly enhances productivity and user satisfaction across various platforms.

Should your organization depend on obsolete systems, we are ready to support you with virtualization services. Our experienced team provides solutions that allow you to maintain your legacy servers while reducing the risks associated with aging hardware. Feel free to contact us using the form below to consult with a specialist about how our Charon solutions can be tailored to meet your specific requirements, facilitating a more seamless shift to contemporary technology. Embracing these advancements can significantly enhance your operational efficiency and future-proof your infrastructure.

Imagine yourself immersed in your favorite text editor, prepared to execute commands like running unit tests, reviewing manual pages, or tweaking configuration files, all while your fingers remain on the keyboard. By simply pressing your configured "Show Guake" hotkey, you can quickly carry out your command and hit it once more to conceal the terminal, allowing you to seamlessly resume your tasks. Guake operates flawlessly in a multi-monitor setup, enabling you to open it on the screen where your pointer is located or on a dedicated display. You can create various named tabs, with names automatically assigned based on the commands you execute, or tailor them to suit your personal preferences. Furthermore, Guake can be set to launch automatically upon system login, and you can establish a script to run at startup, which allows for the customization of your Guake tabs to match your individual requirements. This exceptional degree of integration positions Guake as an invaluable asset for anyone aiming to enhance their coding efficiency and workflow. In a world where productivity is key, tools like Guake empower users to focus on what truly matters: their creative process.

The esteemed emulator preferred by global mainframe users is engineered to effortlessly migrate essential terminal applications to contemporary platforms such as the web and mobile devices, or even as APIs, while preserving the integrity of the original application. HCL ZIE for Transformation plays a crucial role in this process, allowing organizations to deploy vital terminal applications as standard SOAP or RESTful web services without the need for any rewrites or access to the original source code. By utilizing this solution, businesses can significantly reduce training costs and enhance user productivity with improved navigation and usability, which helps to decrease data entry errors. The customizable screens and adjustable default rendering of ZIE for Transformation ensure that all existing application interfaces are revitalized with a modern, user-friendly aesthetic. Additionally, this solution enables deployment across a variety of environments, such as web portals and Eclipse RCP, providing access through an array of web browsers, including those on mobile devices, thus expanding the reach of essential applications. This flexibility not only enhances the user experience but also equips organizations to efficiently respond to changing technological demands and opportunities. Moreover, the integration of advanced features allows for a smoother transition to modern platforms while maintaining operational continuity.

In today's economic environment, businesses can greatly enhance their efficiency and flexibility by strategically optimizing their IT assets. Ericom's PowerTerm® WebConnect HostView offers a valuable solution that facilitates web-to-host emulation, enabling organizations to achieve this optimization. By leveraging the benefits of PC-client access software alongside server-based computing, companies can significantly improve their older systems. This platform supports centralized management of both configurations and software updates, thereby saving time and reducing the administrative burden. Additionally, it boosts productivity by providing access to essential business applications from any location at any time through a standard web browser, regardless of where users are situated. Moreover, this solution leads to reduced costs associated with individual licensing, maintenance, and support, as well as updates. It also incorporates strong security measures, including SSL, SSH, SFTP, and seamless integration with Active Directory and LDAP, plus support for Single Sign-On and various authentication options such as Kerberos, RADIUS, RSA® SecurID®, and SecurEnvoy® SecureAccess and SecurICE two-factor authentication. These extensive security features ensure that businesses can protect their data effectively while optimizing their operational processes, making it a comprehensive choice for modern organizations. Additionally, the solution empowers teams to remain agile and responsive in a fast-paced market, ensuring they can adapt swiftly to any changes or challenges that may arise.

Rocket® Terminal Emulator, which was formerly recognized as Rocket® BlueZone®, presents a distinctive method for terminal emulation solutions. Users are empowered to extensively customize their environments, leading to improved comfort and increased productivity. This solution incorporates strong security protocols designed to protect essential business data, while also being a cost-effective choice that delivers substantial value. Making the switch from your existing terminal emulation software is straightforward, thanks to our user-friendly migration wizards and a committed support team that aids in the transition to Rocket Terminal Emulator. Each individual can adjust their terminal configuration to establish a familiar and welcoming workspace. Users of host systems often have specific shortcuts and hotkeys set up for their routine tasks, and with Rocket Terminal Emulator, a significant number of these macros can be easily transferred from the previous emulator, ensuring a seamless continuation of your workflow. This facilitates not only an improved user experience but also a retention of productivity during the process of change. Furthermore, by allowing users to maintain their established habits and preferences, Rocket Terminal Emulator fosters a more efficient working environment.

Link your customers and business users to your extensive enterprise data system, spanning from TPF and ALCS hosts to platforms like IBM, Unisys, OpenVMS, HP 3000, and HP NonStop (Tandem6530). With InfoConnect, you can confidently operate on Windows 10, allowing for the management of user preferences and adaptable desktops. The application enables the integration of comprehensive emulators directly into corporate portals or websites, and simplifies installation configurations for ease of use. You can centrally oversee Terminal IDs for host connections and facilitate printing from shared printers, host devices, card readers, specialized ticket printers, point of sale terminals, and various communication protocols, both traditional and modern. By utilizing InfoConnect with MSS, you can enhance and secure your host access operations. Additionally, InfoConnect Desktop works seamlessly with your Identity and Access Management system (IAM) for authentication to MSS, which in turn ensures that changes in application settings and user-specific information are efficiently propagated from a central server. This level of integration not only improves user experience but also strengthens security across your enterprise system.

You can efficiently enable browser-based access from a single, centralized point without the hassle of overseeing Java runtime environments. It's crucial to identify who is allowed access to your mainframe and ensure that only those with the right permissions can reach the login page. Transitioning from a potentially vulnerable eight-character password to a more secure one-time pass ticket can be achieved by utilizing enterprise credentials. Why go through the process of reinventing solutions? By utilizing the corporate user directory, you can implement terminal emulation just like any other corporate resource. Ensure the secure deployment of browser-based sessions that are tailored with quick keys, macros, and compatible keyboards. Access a variety of applications, including HTML5 to 3270, 5250, VT, Unisys, and Airline host applications, all from a single location—eliminating the need to manage workstation dependencies or Java runtime environments. This not only streamlines access but also enhances overall security and efficiency.

Turbosoft's terminal emulation software offers compatibility with over 80 different system emulations, including notable names like IBM, HP, OpenVMS, HP NonStop, Unisys, and Wyse, among others. Our web-based solution, TTerm Connect, utilizes HTML5 technology. TTerm Connect serves as a robust terminal emulator that operates entirely within a web browser, delivering a range of features typically found in traditional desktop emulators, all within a streamlined web application. This tool is designed for straightforward management and configuration from a central location. It can be seamlessly integrated with your existing web client or embedded directly into your website, ensuring accessibility from any host and device. Compatible with all modern web browsers and client devices, TTerm Connect provides deployment options for both Linux and Windows servers, showcasing its flexibility and ability to accommodate the terminal emulation needs of thousands of simultaneous users. Additionally, its lightweight nature ensures that users can maintain high performance without the overhead of traditional installations.