Browse free open source Telnet software and projects below. Use the toggles on the left to filter open source Telnet software by OS, license, language, programming language, and project status.

  • Red Hat Enterprise Linux on Microsoft Azure Icon
    Red Hat Enterprise Linux on Microsoft Azure

    Deploy Red Hat Enterprise Linux on Microsoft Azure for a secure, reliable, and scalable cloud environment, fully integrated with Microsoft services.

    Red Hat Enterprise Linux (RHEL) on Microsoft Azure provides a secure, reliable, and flexible foundation for your cloud infrastructure. Red Hat Enterprise Linux on Microsoft Azure is ideal for enterprises seeking to enhance their cloud environment with seamless integration, consistent performance, and comprehensive support.
  • RMM Software | Remote Monitoring Platform and Tools Icon
    RMM Software | Remote Monitoring Platform and Tools

    Best-in-class automation, scalability, and single-pane IT management.

    Don’t settle when it comes to managing your clients’ IT infrastructure. Exceed their expectations with ConnectWise RMM, our MSP RMM software that provides proactive tools and NOC services—regardless of device environment. With the number of new vulnerabilities rising each year, smart patching procedures have never been more important. We automatically test and deploy patches when they are viable and restrict patches that are harmful. Get better protection for clients while you spend less time managing endpoints and more time growing your business. It’s tough to locate, afford, and retain quality talent. In fact, 81% of IT leaders say it’s hard to find the recruits they need. Add ConnectWise RMM, NOC services and get the expertise and problem resolution you need to become the advisor your clients demand—without adding headcount.
  • 1
    RealTerm: Serial/TCP Terminal

    RealTerm: Serial/TCP Terminal

    Serial and TCP terminal for engineering and debugging

    Serial terminal program for engineering. Ideal for development, reverse engineering, debugging, datalogging and capture, and automatic test. The website is a comprehensive manual for Realterm. It has an comprehensive ActiveX/COM automation support so it can be used a serial component by other programs. An extensive commandline interface supports batch files and simple automatic test programming. Commands can be sent to running instances, and commands can be stored and run in files. [ActiveX](http://realterm.sourceforge.net/index.html#ActiveX_Interface) and [Command Line](http://realterm.sourceforge.net/index.html#Command_Line_Parameters) commands are well documented. Sourceforge major releases are only made occasionally. To follow development versions see News and subscribe.
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    Downloads: 2,767 This Week
    Last Update:
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  • 2
    Null-modem emulator

    Null-modem emulator

    The virtual serial port driver for Windows.

    The Null-modem emulator (com0com) is a kernel-mode virtual serial port driver for Windows. You can create an unlimited number of virtual COM port pairs and use any pair to connect one COM port based application to another. The HUB for communications (hub4com) allows to receive data and signals from one COM or TCP port, modify and send it to a number of other COM or TCP ports and vice versa.
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    Downloads: 2,476 This Week
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  • 3
    ExtraPuTTY - fork of putty 0.67. (Add win32 API,shortcuts for pre-defined command,can use files instead of the registry,auto-reconnect, scripting a session with lua,integrates FTP,TFTP,Ymodem,Xmodem transfert protocols, integrates cygwin, zmodem, session manager,hyper link projects and others ...)
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    Downloads: 446 This Week
    Last Update:
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  • 4

    SyncTERM

    Cross-platform BBS (ANSI) Terminal

    A cross-platform ANSI-BBS terminal designed to connect to remote BBSs via telnet, rlogin, or SSH. Supports ANSI music and the IBM charset when possible. Will run from a console, under X11 using XLib, or using SDL.
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    Downloads: 150 This Week
    Last Update:
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  • Finance Automation that puts you in charge Icon
    Finance Automation that puts you in charge

    Tipalti delivers smart payables that elevate modern business.

    Our robust pre-built connectors and our no-code, drag-and-drop interface makes it easy and fast to automatically sync vendors, invoices, and invoice payment data between Tipalti and your ERP or accounting software.
  • 5
    TinTin++ Mud Client

    TinTin++ Mud Client

    A MUD client for Android, iOS, Linux, Mac OS X and Windows

    TinTin++ is a console mud client for any type of text mud or bbs. The mud client's main assets are an easy to learn scripting language, triggers, automapping, and a split screen interface to separate mud output from client input. Installation instructions for Android, iOS, and several other operating systems are available on the website. https://tintin.mudhalla.net
    Leader badge
    Downloads: 94 This Week
    Last Update:
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  • 6

    tn5250

    5250 telnet client

    tn5250 emulates a 5250 terminal or printer over telnet, for connecting to IBM Power Systems, iSeries and AS/400 computers running IBM i, i5/OS and OS/400. It runs on any Unix or Windows system. Note that this project is now on GitHub at https://github.com/tn5250/tn5250
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    Downloads: 105 This Week
    Last Update:
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  • 7
    Qodem Terminal Emulator
    Qodem is a a terminal emulator that resembles the BBS-era Qmodem. Includes phonebook, scrollback, capture, X/Y/Zmodem, Kermit, ANSI (+ music) / Avatar / VT102 / Linux emulation, Unicode, and keyboard macros. Connects over serial, ssh, telnet, rlogin.
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    Downloads: 34 This Week
    Last Update:
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  • 8
    Dave's Telnet

    Dave's Telnet

    Windows Terminal Emulator

    dtelnet: A Free Telnet Client for Windows 16/32/64 Emulates many terminal types 'linux,xterm,rxvt,konsole,vt100,vt320,vt420' (xterm[-256color] is the preferred), talks protocols 'telnet' and 'login'. Many customization options available.
    Downloads: 16 This Week
    Last Update:
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  • 9
    KiTTY

    KiTTY

    Lightweight, open-source SSH/telnet client

    KiTTY is a lightweight, open-source SSH/telnet client and terminal emulator based on PuTTY, designed for use in Windows environments. It is primarily used for remote connections via SSH, Telnet, Rlogin, and serial protocols, making it an essential tool for system administrators, network engineers, and developers who need to manage remote servers or devices. KiTTY extends PuTTY's functionality with a variety of enhancements, such as session management, automated password handling, and portable executables, providing a more convenient and customizable experience. Its minimalistic design ensures fast performance, while its extended features cater to both basic and advanced users who require reliable, secure, and efficient remote access tools.
    Downloads: 24 This Week
    Last Update:
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  • Multi-Site Network and Cloud Connectivity for Businesses Icon
    Multi-Site Network and Cloud Connectivity for Businesses

    Internet connectivity without complexity

    As your users rely more and more on Cloud and Internet-based technologies, reliable internet connectivity becomes more and more important to your business. With Bigleaf’s proven SD-WAN architecture, groundbreaking AI, and DDoS attack mitigation, you can finally deliver the reliable internet connectivity your business needs without the limitations of traditional networking platforms. Bigleaf’s Cloud Access Network and plug-and-play router allow for limitless control to and from anywhere your traffic needs to go. Bigleaf’s self-driving AI automatically identifies and adapts to any changing circuit conditions and traffic needs—addressing issues before they impact your users. Bigleaf puts you in the driver’s seat of every complaint and support call with full-path traffic and network performance data, delivered as actionable insights, reports, and alerts.
  • 10
    A nearly full options telnet 5250 terminal emulator. It includes a programmers API to improve 5250 panels by adding field popups, hints, ...
    Downloads: 7 This Week
    Last Update:
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  • 11
    PCMan is an easy-to-use telnet client mainly targets BBS users formerly running under MS Windows. PCMan X is a newly developed, open-source and cross-platform version written with wxWidgets, supporting X Window, MS Windows, and Mac OS X.
    Downloads: 7 This Week
    Last Update:
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  • 12
    FuTTY

    FuTTY

    FireEgl's PuTTY -- FuTTY!

    FuTTY is a fork of PuTTY and PuTTYTray.
    Downloads: 7 This Week
    Last Update:
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  • 13

    KildClient

    KildClient is a powerful MUD client with a built-in Perl interpreter

    KildClient is a mud client using the GTK toolkit. Its main feature is the support of Perl scripting. Other standard features of mud clients (triggers, gags, macros, etc.) are also supported.
    Downloads: 2 This Week
    Last Update:
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  • 14

    MudMaster 2k6

    Up to date MUD client evolved from the original MudMaster

    Next generation MudMaster GUI. Win32 GUI MUD client with triggers, aliases, scripting, and DLL plugins for extra features such as displaying chat and other in game channels in a separate window. Now supports a multi-line, variable width status bar and multiple interacting windows. User customized script buttons in the status bar let you add mouse click functionality. Has web interactivity via the /showMeViaWeb command. Mudmaster 2k6 also can be run on Linux under WINE. Questions? Ask them in our Sourceforge Forums ( https://sourceforge.net/p/mm2k6/discussion/ ) More at http://mm2k6.sourceforge.net/mm2k6/
    Downloads: 2 This Week
    Last Update:
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  • 15
    ICMP Shell (ISH) is a telnet-like protocol. It allows users to connect to a remote host and to open a shell using only ICMP to send and receive data. ICMP Shell was written in C for the UNIX environment.
    Leader badge
    Downloads: 5 This Week
    Last Update:
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  • 16
    FreeHost3270 is a complete 3270-to-web solution, providing single-point deployment of legacy 3270 applications to unlimited clients. It delivers either a java applet-based TN3270 emulator, or a stand alone application with rich GUI.
    Downloads: 4 This Week
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  • 17
    Enables access to SSH Shell and File Transfer services using a web browser. Java Servlet application uses pure HTML to provide access to SSH services.
    Downloads: 4 This Week
    Last Update:
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  • 18
    Dirt is a mud/muck/mush/moo/telnet client for linux with plugins for perl and python scripting. It is text-based and features: color, scrollback, history, autocomplete, alias, trigger (even on ansi), zchat/mudmaster chat, mudftp, MCCP, and a help system.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 19
    quardCRT

    quardCRT

    quardCRT is a terminal emulation software.

    quardCRT is a terminal emulation software that supports multiple terminal protocols, can be used across platforms without dependencies, and has a completely consistent user experience on windows/linux/mac. It supports multiple tabs and history management.
    Downloads: 4 This Week
    Last Update:
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  • 20
    Termix is a Linux (UNIX) telnet client designed for calling telnet BBS,and SCO ANSI. It aims to behave as DOS terminals did; with proper ANSI parsing, scrolling, and character sets -- all in a DOS terminal-like application
    Downloads: 3 This Week
    Last Update:
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  • 21

    hwmonitor

    Show server load-average chart and run pre-define command remotely

    I'm a HW Support and used cacti, zabbix, but they are too "strong", sometimes I just want to know server "worked fine", and show me a basicly load-average chart, that's enough. And the other hand, I need run command (like: "top", "iostat", "date" etc.) remotely and show it out to the webpage. The hwmonitor(writen in C) is a simple daemon, you can define some command-name(like: show_top= top -b -n1), telnet to this daemon and input your def-command(like: show_top), hwmonitor will return the info. And hwclient(include in this project, writen in C) connect to hwmonitor, input a define command-name to get server load-average and IO-idle each 60 seconds(you can change it) into a text file. hwgraphic (include in this project, writen in PHP) read the text file(generated by hwclient) and show the load-average chart and IO-idle chart.
    Downloads: 3 This Week
    Last Update:
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  • 22

    Net Tools for Development

    A collection of network-oriented tools

    This Eclipse RCP application contains several free, useful network tools. Among others: - Standard network tools: ping, netstat, traceroute, nslookup - A port scanner - Servers: HTTP, FTP, TFTP servers - an HTTP proxy - A TCP tunnel - Clients: FTP client, embeddable PuTTY (for Windows only)
    Downloads: 1 This Week
    Last Update:
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  • 23
    ARTT

    ARTT

    Tintin++ scirpts for MUD (mmorpg)

    www.abandonedrealms.com http://tintin.sourceforge.net/ Enjoy MMORPG in it's purest form, a shared text based adventure like the one everquest was fashioned after. www.abandonedrealms.com
    Downloads: 2 This Week
    Last Update:
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  • 24
    Pure object based operating environment, script language, shell, loads plugins to extend functionality, it's a MUD gone awry.
    Downloads: 2 This Week
    Last Update:
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  • 25
    GambolPuTTY
    A completely different PuTTY version nobody expects.
    Downloads: 2 This Week
    Last Update:
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