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

  • Gen AI apps are built with MongoDB Atlas Icon
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  • 1
    zsh

    zsh

    Customizable command shell for UNIX-like environments

    zsh is a shell probably most similar to ksh, but with countless enhancements and differences.
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    Downloads: 1,913 This Week
    Last Update:
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  • 2
    XMLStarlet is a set of command line utilities (tools) to transform, query, validate, and edit XML documents and files using simple set of shell commands in similar way it is done for text files with UNIX grep, sed, awk, diff, patch, join, etc utilities.
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    Downloads: 922 This Week
    Last Update:
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  • 3
    CLISP - an ANSI Common Lisp
    CLISP is a portable ANSI Common Lisp implementation and development environment by Bruno Haible. Interpreter, compiler, debugger, CLOS, MOP, FFI, Unicode, sockets, CLX. UI in English, German, French, Spanish, Dutch, Russian, and Danish.
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    Downloads: 402 This Week
    Last Update:
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  • 4
    The Heirloom Project provides standard Unix utilities.
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    Downloads: 609 This Week
    Last Update:
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  • Secure User Management, Made Simple | Frontegg Icon
    Secure User Management, Made Simple | Frontegg

    Get 7,500 MAUs, 50 tenants, and 5 SSOs free – integrated into your app with just a few lines of code.

    Frontegg powers modern businesses with a user management platform that’s fast to deploy and built to scale. Embed SSO, multi-tenancy, and a customer-facing admin portal using robust SDKs and APIs – no complex setup required. Designed for the Product-Led Growth era, it simplifies setup, secures your users, and frees your team to innovate. From startups to enterprises, Frontegg delivers enterprise-grade tools at zero cost to start. Kick off today.
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  • 5

    bash debugger

    bash debugger

    A gdb-like debugger for bash
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    Downloads: 138 This Week
    Last Update:
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  • 6

    win-bash

    Bash for MS Windows

    win-bash is port of the GNU bash for Microsoft Windows NT based systems. It is independent from the cygwin library and any other non-standard DLL and does not need any registry variables. win-bash is based on bash_nt from Mountain Math Software. The active development of the project has been discontinued, mainly because of the old age of the code. There are more modern and more bug free alternatives today, which we recommend to use.
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    Downloads: 155 This Week
    Last Update:
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  • 7
    The Doszip Commander

    The Doszip Commander

    TUI file manager (NC clone) with built-in Zip for DOS and Windows

    The Doszip Commander is an LFN-aware TUI file manager (NC clone) with built-in Zip and UnZip for DOS and Windows.
    Downloads: 28 This Week
    Last Update:
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  • 8
    Dreamos is an operating system developed on Sega Dreamcast to be ported to an array of embedded devices. The goal of the project is to be able to run non-ported Unix programs on the Sega Dreamcast and other embedded devices with ease and POSIX compliance
    Downloads: 63 This Week
    Last Update:
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  • 9
    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: 11 This Week
    Last Update:
    See Project
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    Sales CRM and Pipeline Management Software | Pipedrive

    The easy and effective CRM for closing deals

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  • 10
    Seal is a free, open source 32-bit GUI written primarily for DOS compatible systems.
    Downloads: 33 This Week
    Last Update:
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  • 11
    rssh is a restricted shell for use with OpenSSH, allowing only scp and/or sftp.
    Downloads: 17 This Week
    Last Update:
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  • 12
    SoupToNuts is a repository of technical articles and example software covering Postfix, OpenSSH, C and C++, Live Linux CD, MySQL, SQLite, Berkeley DB, Bash and System Administration.
    Downloads: 26 This Week
    Last Update:
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  • 13
    Blackbox for Windows is an alternative shell for Microsoft Windows. It is based stylistically on the Blackbox window manager for the X Window System, however it does not use the same codebase except for the gradient rendering code.
    Downloads: 7 This Week
    Last Update:
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  • 14
    scponly is an alternative 'shell' (of sorts) for system administrators who would like to provide access to remote users to both read and write local files without providing any remote execution priviledges.
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    Downloads: 22 This Week
    Last Update:
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  • 15
    Rootsh is a wrapper for shells which logs all echoed keystrokes and terminal output to a file and/or to syslog. It's main purpose is the auditing of users who need a shell with root privileges. They start rootsh through the sudo mechanism.
    Downloads: 4 This Week
    Last Update:
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  • 16
    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: 10 This Week
    Last Update:
    See Project
  • 17
    A Unix shell embedded in Scheme.
    Downloads: 5 This Week
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  • 18
    libpogo is a c-library replacement for GBA and PogoShell is a frontend that lets you handle files in a convinient manner on your GBA flashcard.
    Downloads: 4 This Week
    Last Update:
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  • 19
    Krono Junior GUI - KR Jr GUI

    Krono Junior GUI - KR Jr GUI

    KR Jr GUI is a light-fast GUI for old PCs

    KR Jr GUI is a light-fast GUI for old PCs It can run even in a 386 with 1mb RAM and no HD It fits on a diskette! Recycle your old PC!
    Downloads: 2 This Week
    Last Update:
    See Project
  • 20
    The Wizard's Apprentice is an application that allows you to ask questions from a script. It uses Windows dialog boxes in the so-called Wizard style: dialogs asking one question at a time, with a Back button, a Next button and a Cancel button.
    Downloads: 2 This Week
    Last Update:
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  • 21
    Iron Bars Shell is a restricted Unix shell. The user can not step out of, nor access files outside the home directory. It is written in C for Linux. No libraries used. It is small, fast, secure. Two ascii configuration files for more control.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 22
    A modular framework for implementing a CISCO-like CLI on a *NIX system. Arbitary command menus and actions can be defined using XML files. This software handles the user interaction, and forks the appropriate system commands to perform any actions.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 23
    this is a very primitive dos multitasking gui i think it will help alot of people with window management it also comes with some example progams
    Downloads: 3 This Week
    Last Update:
    See Project
  • 24
    sudosh is a sudo shell, filter and can be used as a login shell. Sudosh records all keystrokes and output and can play back the session as just like a VCR.
    Downloads: 2 This Week
    Last Update:
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  • 25
    Viewglob is a tool to increase the usability of the Unix shell in graphical environments. It watches your shell activity in an xterm and tracks file selections and potential name completions in a GTK+ display showing the layouts of relevant directories.
    Downloads: 2 This Week
    Last Update:
    See Project
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