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: 38,561 This Week
    Last Update:
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  • 2
    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: 834 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: 360 This Week
    Last Update:
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  • 4
    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: 48 This Week
    Last Update:
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  • 5
    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: 37 This Week
    Last Update:
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  • 6
    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: 14 This Week
    Last Update:
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  • 7
    SerialPortAssistant
    Serial port assistant This is only a read-only mirror repository. Main repository: https://github.com/KangLin/SerialPortAssistant
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    Downloads: 61 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: 23 This Week
    Last Update:
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  • 9
    PuTTY SSH client for Symbian OS
    Downloads: 8 This Week
    Last Update:
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  • 10

    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: 35 This Week
    Last Update:
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  • 11
    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: 31 This Week
    Last Update:
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  • 12
    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: 30 This Week
    Last Update:
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  • 13

    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: 10 This Week
    Last Update:
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  • 14
    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: 4 This Week
    Last Update:
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  • 15
    A nearly full options telnet 5250 terminal emulator. It includes a programmers API to improve 5250 panels by adding field popups, hints, ...
    Downloads: 3 This Week
    Last Update:
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  • 16
    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: 10 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: 9 This Week
    Last Update:
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  • 18
    OpenSource component library for serial communication
    Downloads: 3 This Week
    Last Update:
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  • 19
    Tools for users that have connect to external device throught RS232 port. 1. comport component, help to connect throught RS232 port easyl 2. database tool, which users can export data from a db grid to MS Excel - userful when build reports...
    Downloads: 3 This Week
    Last Update:
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  • 20

    Linpac

    Amateur Radio AX.25 chat and PBBS program using Linux's AX.25 stack

    A modular console-oriented amateur radio AX.25 keyboard to keyboard chat and PBBS program using Linux's AX.25 stack. Includes support for multiple concurrent connected sessions, a unconnected (UI) message screen, and an automated packet message client
    Downloads: 3 This Week
    Last Update:
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  • 21
    jsTerm

    jsTerm

    Terminal for serial ports and TCP / UDP connections with JavaScript

    The cross-platform VT100 terminal emulator for serial ports and TCP / UDP connections has a simple, uncluttered interface that can be extended with JavaScript.
    Downloads: 3 This Week
    Last Update:
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  • 22
    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: 3 This Week
    Last Update:
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  • 23
    Web Console

    Web Console

    Web-based application to execute shell commands.

    Web Console is a web-based application that allows to execute shell commands on a server directly from a browser. The application is very light, does not require any database and can be installed in about 3 minutes.
    Downloads: 2 This Week
    Last Update:
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  • 24
    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: 1 This Week
    Last Update:
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  • 25
    Java based TELNET BBS client. Includes an AWT application and applet compatible with Java 2 (1.4).
    Downloads: 1 This Week
    Last Update:
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