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.

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  • 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: 3,461 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: 3,274 This Week
    Last Update:
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  • 3

    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: 286 This Week
    Last Update:
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  • 4
    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: 395 This Week
    Last Update:
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  • 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: 99 This Week
    Last Update:
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  • 6
    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: 192 This Week
    Last Update:
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  • 7

    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: 55 This Week
    Last Update:
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  • 8
    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: 15 This Week
    Last Update:
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  • 9
    A nearly full options telnet 5250 terminal emulator. It includes a programmers API to improve 5250 panels by adding field popups, hints, ...
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    Downloads: 8 This Week
    Last Update:
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  • 10

    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: 11 This Week
    Last Update:
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  • 11
    The Clans was a popular game written for online BBSes back in the day of their great popularity. It is a text-based game featuring inter-BBS communications. It was written initially for Turbo C++, but has been ported to gcc and MSVC
    Downloads: 26 This Week
    Last Update:
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  • 12
    sourceforge2nicktout

    sourceforge2nicktout

    Tous les outils pour thèmes WIndows10 version ( 1709 )

    ALL : https://sourceforge.net/projects/maestroftpubstro/files/
    Downloads: 14 This Week
    Last Update:
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  • 13
    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: 24 This Week
    Last Update:
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  • 14
    Atani Software has a primary focus of developing games for various platforms and also try to keep the good old BBS' alive with releases of door games, etc.
    Downloads: 10 This Week
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  • 15
    OpenSource mud client designed to work on both windows,linux and MAC OS X. Written in Gtk+ and C with SQLLite, Python, MSP, MXP, HTML, and ZMP support. Provides plugin support, automapper functionality, triggers, aliases and macros.
    Downloads: 10 This Week
    Last Update:
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  • 16
    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: 3 This Week
    Last Update:
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  • 17
    SBD is a way of leaving ultra-secure minimal access to a computer, which allows you to run a single command based on a one time key. It is good if you don't want to have an ssh server running all the time, but only want to start it when needed.
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    Downloads: 6 This Week
    Last Update:
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  • 18
    The utelnetd package provides a small and efficient stand alone telnet server daemon.
    Downloads: 2 This Week
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  • 19
    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: 3 This Week
    Last Update:
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  • 20
    A fortune/witty quote server. Run it and entertain many.
    Downloads: 5 This Week
    Last Update:
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  • 21
    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: 5 This Week
    Last Update:
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  • 22
    Pueblo/UE
    The Pueblo MUD/MUSH/MOO/etc client, originally developed by Chaco Communications. Updated, improved, and open source! The client provides access to "virtual worlds", supporting HTML, colour, forms, and images.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 23
    This project is no longer maintained at SourceForge. Please see http://code.google.com/p/libcli for updates.
    Leader badge
    Downloads: 5 This Week
    Last Update:
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  • 24

    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: 1 This Week
    Last Update:
    See Project
  • 25
    Console telnet is a full screen (console) telnet client for MS Win32 environments. It supports ANSI (color) and VT100/102 (scores 91 on vttest). It has mouse, clipboard, and scrollback support, and can run full-screen or in a window.
    Downloads: 2 This Week
    Last Update:
    See Project
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