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
    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: 3,765 This Week
    Last Update:
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  • 2
    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.
    Leader badge
    Downloads: 2,833 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.
    Leader badge
    Downloads: 383 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: 226 This Week
    Last Update:
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  • 5
    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.
    Leader badge
    Downloads: 343 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
    Leader badge
    Downloads: 68 This Week
    Last Update:
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  • 7
    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
    Downloads: 29 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.
    Leader badge
    Downloads: 23 This Week
    Last Update:
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  • 9

    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.
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    Downloads: 15 This Week
    Last Update:
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  • 10
    sourceforge2nicktout

    sourceforge2nicktout

    Tous les outils pour thèmes WIndows10 version ( 1709 )

    ALL : https://sourceforge.net/projects/maestroftpubstro/files/
    Downloads: 9 This Week
    Last Update:
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  • 11
    A nearly full options telnet 5250 terminal emulator. It includes a programmers API to improve 5250 panels by adding field popups, hints, ...
    Downloads: 4 This Week
    Last Update:
    See Project
  • 12
    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: 5 This Week
    Last Update:
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  • 13

    The Clans BBS Door Game

    InterBBS medieval door game

    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: 13 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: 3 This Week
    Last Update:
    See Project
  • 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.
    Downloads: 6 This Week
    Last Update:
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  • 16
    TkMOO-SE is the evolution of TkMOO which is a multi-platform MUD/MOO client written in TCL. We are incorarating the latest advances in MOO including full MCP 2.1 support. The original source can be found at www.awns.com/tkMOO-light
    Downloads: 6 This Week
    Last Update:
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  • 17
    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: 2 This Week
    Last Update:
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  • 18
    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: 3 This Week
    Last Update:
    See Project
  • 19

    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:
    See Project
  • 20
    FuTTY

    FuTTY

    FireEgl's PuTTY -- FuTTY!

    FuTTY is a fork of PuTTY and PuTTYTray.
    Downloads: 2 This Week
    Last Update:
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  • 21
    NetworkTools has 2 components: A protocol analyzer which plays a TCP client or server or pipeline, which sits between a client and server and shows how they communicate. A port scanner can scan a range of IP addresses and ports. See screenshots.
    Downloads: 2 This Week
    Last Update:
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  • 22
    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.
    Downloads: 2 This Week
    Last Update:
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  • 23

    Simple Ptt Client

    用來上 Ptt 的小程式

    讓你可以暢遊 Ptt.cc !
    Downloads: 2 This Week
    Last Update:
    See Project
  • 24
    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: 1 This Week
    Last Update:
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  • 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: 1 This Week
    Last Update:
    See Project
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