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

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  • 1
    Project has been moved to https://github.com/marchaesen/vcxsrv Windows X-server based on the xorg git sources (like xming or cygwin's xwin), but compiled with Visual C++ 2012 Express Edition. Source code can also be compiled with VS2008, VS2008 Express Edition and VS2010 Express Edition, although current project and makefile are not fully compatible anymore. Versions starting from 1.14.3.0 are not compatible with Windows XP anymore.
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    Downloads: 4,242 This Week
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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: 3,490 This Week
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  • 3
    This project provides a proxy that allows telnet/tcp connections to be made to serial ports on a machine.
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    Downloads: 1,843 This Week
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  • 4
    WindTerm

    WindTerm

    A professional cross-platform SSH/Sftp/Shell/Telnet/Serial terminal

    A Quicker and better SSH/Telnet/Serial/Shell/Sftp client for DevOps. WindTerm is a partial open source project, and the source will be gradually opened. Open source code includes, but is not limited to, the classes that can be used independently, such as functional, algorithms, GUI widgets, etc., as well as functional libraries, such as networks, protocols, etc., as well as all types that require open source according to the license. SSH v2, Telnet, Raw TCP, Serial, Shell protocols were implemented. Supports SSH auto-execution when the session is authenticated. Integrated local file manager, supports the move to, copy to, copy from, remove, rename, make new file/directory and so on. Supports Windows Cmd, PowerShell and Cmd, PowerShell as administrator. Supports Linux bash, zsh, PowerShell core, and so on. Supports MacOS bash, zsh, PowerShell core, and so on.
    Downloads: 144 This Week
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  • 5
    Xming X Server for Windows

    Xming X Server for Windows

    X Window System Server for Windows

    Xming is the leading X Window System Server for Microsoft Windows 8/7/Vista/XP (+ server 2012/2008/2003). It is fully featured, small and fast, simple to install and because it is standalone native Microsoft Windows, easily made portable (not needing a machine-specific installation).
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    Downloads: 3,259 This Week
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  • 6
    setserial is a program designed to set and/or report the configuration information associated with a serial port.
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    Downloads: 1,963 This Week
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  • 7
    tmux

    tmux

    tmux is a terminal multiplexer

    tmux is a terminal multiplexer: it enables a number of terminals to be created, accessed, and controlled from a single screen. tmux may be detached from a screen and continue running in the background, then later reattached. This release runs on OpenBSD, FreeBSD, NetBSD, Linux, OS X and Solaris. tmux depends on libevent 2.x, and on ncurses. To build tmux, a C compiler (for example gcc or clang), make, pkg-config and a suitable yacc (yacc or bison) are needed. Some platforms provide binary packages for tmux.
    Downloads: 67 This Week
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  • 8

    empty

    Run applications under pseudo-terminal (PTY) sessions

    empty - run applications under pseudo-terminal (PTY) sessions to dialogue with interactive programs. Replace TCL/Expect with a simple tool and use your favorite shell (sh, bash, csh, tcsh, ksh, zsh, etc)
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    Downloads: 505 This Week
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  • 9

    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: 353 This Week
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  • 10
    Tera Term
    TeraTerm Project is developing the terminal emulator Tera Term and the SSH compatible extension module TTSSH. This is open source software under the BSD license. This is the official successor to the original Tera Term Pro 2.3. Development takes place on the project page on GitHub.
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    Downloads: 814 This Week
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  • 11
    Radare2

    Radare2

    UNIX-like reverse engineering framework and command-line toolset

    A free/libre toolchain for easing several low-level tasks like forensics, software reverse engineering, exploiting, and debugging. It is composed by a bunch of libraries (which are extended with plugins) and programs that can be automated with almost any programming language. It is recommended to install it from git, alternatively, you can pick the last release (every 6 weeks) from Github. Batch, Commandline, visual, and panels interactive modes. Embedded webserver with js scripting and WebUI. Assemble and disassemble a large list of CPUs. Runs on Windows and any other UNIX flavor out there. Analyze and emulate code with ESIL. Native debugger and GDB, WINDBG, QNX, and FRIDA. Navigate ASCII-art control flow graphs. Ability to patch binaries, and modify code or data. Search for patterns, magic headers, and function signatures. Easy to extend and modify. Commandline, C API, script with r2pipe in any language.
    Downloads: 49 This Week
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  • 12
    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.
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    Downloads: 420 This Week
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  • 13
    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: 207 This Week
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  • 14
    AA means Ascii Art - the AAlib (ascii art GFX library), BB (audiovisual demonstration for your terminal), aview (image browser/animation player), AAvga (SVGAlib wrapper for AA-lib), ttyquake (text mode quake), aa3d (random dot stereogram generator)...
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    Downloads: 191 This Week
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  • 15
    mcrcon

    mcrcon

    Console based rcon client for minecraft servers.

    Mcrcon is IPv6 compliant minecraft rcon client with bukkit coloring support. It is well suited for remote administration and to be used as part of automated server maintenance scripts. - Does not trigger "IO: Broken pipe" or "IO: Connection reset" spam bug on server side. - Has workaround for server side bug (https://bugs.mojang.com/browse/MC-154617) ****************************************************************** Further development and new releases has moved to Github Github page: https://github.com/Tiiffi/mcrcon Official upstream: https://github.com/Tiiffi/mcrcon/releases https://api.github.com/repos/tiiffi/mcrcon/releases/latest ******************************************************************
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    Downloads: 137 This Week
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  • 16
    This project maintains the Linux Console tools, which include utilities to test and configure joysticks, connect legacy devices to the kernel's input subsystem (providing support for serial mice, touchscreens etc.), and test the input event layer.
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    Downloads: 413 This Week
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  • 17

    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: 71 This Week
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  • 18
    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: 47 This Week
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  • 19
    Sudo

    Sudo

    Utility to execute a command as another user

    Sudo is a program designed to allow a sysadmin to give limited root privileges to users and log root activity. The basic philosophy is to give as few privileges as possible but still allow people to get their work done. Before building sudo, make sure you have the current version. The latest sudo may always be gotten via anonymous ftp from ftp.sudo.ws in the directory /pub/sudo/ or from the sudo website.
    Downloads: 9 This Week
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  • 20

    Arabeyes

    A project to increase free Arabic fonts on Unix/Linux

    Arabeyes is a Meta project that is aimed at fully supporting the Arabic language in the Unix/Linux environment. It is designed to be a central location to standardize the Arabization process. Arabeyes relies on voluntary contributions.
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    Downloads: 128 This Week
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  • 21
    LibVNCServer/LibVNCClient are cross-platform C libraries that allow you to easily implement VNC server or client functionality in your program.
    Downloads: 23 This Week
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  • 22
    mlterm is a multi-lingual terminal emulator , which supports various character sets and encodings in the world.
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    Downloads: 27 This Week
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  • 23

    conspy

    Remote control of Linux virtual consoles

    Conspy allows a (possibly remote) user to see what is displayed on a Linux virtual console, and send keystrokes to it. All available documentation can be read online at http://conspy.sourceforge.net/
    Downloads: 40 This Week
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  • 24
    dtach is a program that emulates the detach feature of screen. It is designed to be transparent and un-intrusive; it avoids interpreting the input and output between attached terminals and the program under its control.
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    Downloads: 34 This Week
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  • 25

    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: 48 This Week
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