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

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  • 1

    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: 50,399 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.
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    Downloads: 2,485 This Week
    Last Update:
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  • 3
    YAT

    YAT

    Yet Another Terminal :: Serial Communication :: Engineer/Test/Debug

    Engineering, testing and debugging of serial communication. Supports RS-232/422/423/485 as well as TCP/IP Client/Server/AutoSocket, UDP/IP Client/Server/PairSocket and USB Ser/HID. Optimized for simple command sets of e.g. embedded systems.
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    Downloads: 827 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: 422 This Week
    Last Update:
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  • 5
    qrcp

    qrcp

    Transfer files over wifi from your computer to your mobile device

    qrcp binds a web server to the address of your Wi-Fi network interface on a random port and creates a handler for it. The default handler serves the content and exits the program when the transfer is complete. When used to receive files, qrcp serves an upload page and handles the transfer. Most QR apps can detect URLs in decoded text and act accordingly (i.e. open the decoded URL with the default browser), so when the QR code is scanned the content will begin downloading by the mobile browser. When sending multiple files at once, qrcp creates a zip archive of the files or folders you want to transfer, and deletes the zip archive once the transfer is complete. When receiving files, qrcp serves an “upload page” through which you can choose files from your mobile. The default configuration file is stored in $HOME/qrcp.json, however, you can specify the location of the config file by passing the --config flag.
    Downloads: 28 This Week
    Last Update:
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  • 6
    TComPort by Dejan Crnila. Delphi/C++ Builder serial communications components. It is generally easy to use for basic Serial Communications purposes. Alternative to the TurboPower ASYNCPro at http://sourceforge.net/projects/tpapro/
    Downloads: 56 This Week
    Last Update:
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  • 7
    SSVNC adds encryption security to VNC. It provides a GUI for Windows, MacOSX, and Unix that automatically starts up an SSL or SSH tunnel for connections to any VNC server. It also supports VeNCrypt encryption. The Unix viewer has many new features.
    Downloads: 32 This Week
    Last Update:
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  • 8
    PuTTY SSH client for Symbian OS
    Downloads: 20 This Week
    Last Update:
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  • 9
    jrnl

    jrnl

    Collect your thoughts and notes without leaving the command line

    Collect your thoughts and notes without leaving the command line. jrnl has a natural-language interface so you don't have to remember cryptic shortcuts when you're writing down your thoughts. Your journals are stored in plain-text files that will still be readable in 50 years when all your fancy iPad apps will have gone the way of the Dodo. Encrypt your journals with industry-strength AES encryption. The NSA won't be able to read your dirty secrets. Sync your journals with Dropbox and capture your thoughts where ever you are. jrnl is made by a bunch of really friendly and remarkably attractive people. Maybe even you? Effortlessly access several journals for all parts of your life. You can use it to easily create, search, and view journal entries. Journals are stored as human-readable plain text, and can also be encrypted using AES encryption.
    Downloads: 3 This Week
    Last Update:
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  • 10
    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: 27 This Week
    Last Update:
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  • 11
    basE91 is an advanced method for encoding binary data as ASCII characters. It is similar to UUencode or base64, but is more efficient. The overhead produced by basE91 depends on the input data. It amounts at most to 23% and can range down to 14%.
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    Downloads: 50 This Week
    Last Update:
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  • 12
    TurboPower Async Professional
    Async Professional is a comprehensive communications toolkit for Embarcadero Delphi, C++Builder, & ActiveX environments. It provides direct access to serial ports, TAPI, and the Microsoft Speech API. It supports faxing, terminal emulation, VOIP, & more.
    Downloads: 9 This Week
    Last Update:
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  • 13
    Route_Serial_TCP_UDP

    Route_Serial_TCP_UDP

    Serial <-> TCP/IP, Serial <-> UDP/IP, TCP/IP <-> UDP/IP

    ScriptCommunicator (scriptable data terminal) script which routes: - serial port (RS232, USB to serial) <-> TCP/IP (Client/Server) - serial port (RS232, USB to serial) <-> UDP/IP - TCP/IP (Client/Server) <-> UDP/IP ScriptCommunicator can be found here: https://sourceforge.net/projects/scriptcommunicator/
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    Downloads: 10 This Week
    Last Update:
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  • 14
    SerialPortAssistant
    Serial port assistant This is only a read-only mirror repository. Main repository: https://github.com/KangLin/SerialPortAssistant
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    Downloads: 41 This Week
    Last Update:
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  • 15

    Serial Console (sc)

    Minimal terminal program to get access to a serial console

    serialconsole (sc) is a minimal terminal program allowing to use one machine to access the serial console of another machine.
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    Downloads: 37 This Week
    Last Update:
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  • 16
    sourceforge2nicktout

    sourceforge2nicktout

    Tous les outils pour thèmes WIndows10 version ( 1709 )

    ALL : https://sourceforge.net/projects/maestroftpubstro/files/
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    Downloads: 14 This Week
    Last Update:
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  • 17
    atinout

    atinout

    AT commands as input are sent to modem and responses given as output.

    This program will read a file (or stdin) containing a list of AT commands. Each command will be send to the modem, and all the response for the command will be output to file (or stdout). Example, to hang up any ongoing call: $ echo ATH | atinout - /dev/ttyACM0 - ATH OK $
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    Downloads: 24 This Week
    Last Update:
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  • 18
    TcpTerminal

    TcpTerminal

    TCP Terminal is a tool for testing and debugging TCP communication.

    TCP Terminal is a tool for testing and debugging TCP communication. - Works both as a server and as a client. - Accepts input and prints output in HEX and ASCII format. - Separate display of sent and received data.
    Downloads: 23 This Week
    Last Update:
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  • 19

    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: 19 This Week
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  • 20
    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:
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  • 21

    RuTTY

    RuTTY, scripting PuTTY

    RuTTY adds scripting to PuTTY, scripting the easy way, record and replay. Ever needed to send a list of commands to a host? Copy and Paste is a possibility. However, sometimes the list is to long for the host to handle, and you end up copying/pasting every single line. RuTTY waits after sending a command, a fixed amount of time, or even for the host prompt to return. RuTTY can also check host response for 'forbidden' words like "error" and "failed".
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    Downloads: 10 This Week
    Last Update:
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  • 22

    COM by TCP

    Forward RS232 via TCP/IP

    A very simple software that bidirectionally forwards COM (serial) communication through a TCP/IP connection. Typical application: you want to use 2 devices (that are connected to each other using RS232 protocol), remotely. With this software you'll be able to operate them in different locations. Act as TCP server / TCP Client. Supports multiple clients. LICENSE: Apache License Version 2.0, January 2004 http://www.apache.org/licenses/
    Downloads: 3 This Week
    Last Update:
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  • 23
    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: 7 This Week
    Last Update:
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  • 24
    rtnppd is able to route TNPP 3.8 (Telocator Network Paging Protocol) packets between serial links and other rtnppd programs (over an IP-network). Also includes rtapd daemon for routing packets to rtnppd.
    Downloads: 7 This Week
    Last Update:
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  • 25

    Ada Terminal Emulator

    A VTxx compatible terminal emulation package implemented in Ada

    The Ada Terminal Emulator provides a rich set of terminal emulation capabilities, implemented in Ada 2012 (with some C) to run under Windows. All source code for the terminal emulator is provided under the GNU General Public License. The package was developed using GNAT and GWindows. In addition to providing simple "dumb" terminal emulation, the package provides full emulation of DEC VT52/VT100/VT102 compatible terminals, including double height and double width characters, smooth scrolling, special graphics, display controls and national replacement character sets. The emulator also implements a substantial subset of VT220/VT320/VT420, ANSI.SYS and ISO 6429 capabilities. The demo programs provided include a fully functional serial communications client, a telnet client, a program that allows stdin/stdout/stderr of any program to be redirected to a terminal window, and various other demos and games implemented using the package
    Downloads: 5 This Week
    Last Update:
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