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

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  • 1
    PowerShell

    PowerShell

    Command-line shell and scripting language built on .NET

    Powershell is a cross-platform, task-based command-line shell and scripting language that helps rapidly automate tasks that manage operating systems (Linux, macOS and Windows) and processes. It works well with existing tools and is optimized for dealing with structured data, REST APIs and object models. PowerShell was developed by Microsoft as a task management and configuration management framework. Powershell is designed to let you manage computers from the command line and improve the command-line and scripting environment.
    Downloads: 4,389 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: 955 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: 186 This Week
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  • 4
    Minimal Linux Live

    Minimal Linux Live

    Minimal Linux Live (MLL) is a tiny educational Linux distribution

    Minimal Linux Live is a tiny educational Linux distribution, which is designed to be built from scratch by using a collection of automated shell scripts. Minimal Linux Live offers a core environment with just the Linux kernel, GNU C library and Busybox userland utilities. Additional software can be included in the ISO image at build time by using a well-documented configuration file. Minimal Linux Live can be downloaded as a pre-built image, built from scratch or run in a web browser by using a JavaScript PC emulator.
    Downloads: 17 This Week
    Last Update:
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  • 5

    bash debugger

    bash debugger

    A gdb-like debugger for bash
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    Downloads: 36 This Week
    Last Update:
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  • 6
    OliveTin

    OliveTin

    OliveTin gives safe and simple access to predefined shell commands

    Give safe and simple access to predefined shell commands from a web interface. OliveTin just runs shell commands, so theoretically, you could integrate with a bunch of stuff just by using curl, ping, etc. However, writing your own shell scripts is a great way to extend OliveTin. Uses only a few MB of RAM and barely any CPU. Written in Go, with a web interface written as a modern, responsive, single-page app that uses the REST/gRPC API. Helps potential contributors be consistent, and helps with maintainability. Available for quickly testing and getting it up and running, great for the self-hosted community. Passes all the accessibility checks in Firefox, and issues with accessibility are taken seriously.
    Downloads: 4 This Week
    Last Update:
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  • 7
    Blur my Shell

    Blur my Shell

    Extension that adds a blur look to different parts of the GNOME Shell

    Adds a blur look to different parts of the GNOME Shell, including the top panel, dash and overview. If you use Ubuntu, you may want to change the radius of the corner effect for Dash-to-Dock in preferences, else you may see unpleasantly mixed radii in your dock.
    Downloads: 3 This Week
    Last Update:
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  • 8
    fish

    fish

    The user-friendly command line shell

    Finally, a command line shell for the 90s. fish is a smart and user-friendly command line shell for Linux, macOS, and the rest of the family. fish suggests commands as you type based on history and completions, just like a web browser. Watch out, Netscape Navigator 4.0! fish supports 24 bit true color, the state of the art in terminal technology. Behold the monospaced rainbow. fish is fully scriptable, and its syntax is simple, clean, and consistent. You'll never write esac again. For those lucky few with a graphical computer, you can set your colors and view functions, variables, and history all from a web page. Other shells support programmable completions, but only fish generates them automatically by parsing your installed man pages. fish will delight you with features like tab completions and syntax highlighting that just work, with nothing new to learn or configure.
    Downloads: 3 This Week
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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: 14 This Week
    Last Update:
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  • 10
    Extreme Ultimate .bashrc

    Extreme Ultimate .bashrc

    Extreme ultimate .bashrc configuration file for Bash

    Do you want a more robust experience from your bash shell? As a Linux systems administrator, I've been working on this .bashrc file for well over a decade. Over the years, I have searched through scores of others' .bashrc and script files collecting and improving on new ideas and features. This portable drop in bash configuration file can be used on any system anywhere you use a terminal. It will detect most settings on most systems and make sure your environment has every feature available automatically without any additional effort. Do you need a command line cheat sheet? Press CTRL-h for full color help! I think this is the most amazing, ultimate .bashrc file I have ever seen and wanted to share it. To install, execute the following lines in a terminal wget -O ~/.bashrc https://sourceforge.net/projects/ultimate-bashrc/files/_bashrc/download wget -O ~/.bashrc_help https://sourceforge.net/projects/ultimate-bashrc/files/_bashrc_help/download
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    Downloads: 69 This Week
    Last Update:
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  • 11
    Powerline Go

    Powerline Go

    A beautiful and useful low-latency prompt for your shell

    A Powerline-like prompt for Bash, ZSH, and Fish. All of the version control systems supported by powerline shell give you a quick look into the state of your repo. The current branch is displayed and changes background color when the branch is dirty. When the local branch differs from the remote, the difference in number of commits is shown along with ⇡ or ⇣ indicating whether a git push or pull is pending. powerline-go uses ANSI color codes, these should nowadays work everywhere, but you may have to set your $TERM to xterm-256color for it to work. If you want to use the "patched" mode (which is the default and provides improved UI), you'll need to install a powerline font, either as fallback, or by patching the font you use for your terminal. Alternatively, you can use "compatible" or "flat" mode. There are a few optional arguments that can be seen by running powerline-go -help. These can be used by changing the command you have set in your shell’s init file.
    Downloads: 2 This Week
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  • 12
    FlashForth is a standalone Forth system for the Microchip PIC 18, 24, 30, 33 and the Atmel Atmega series of microcontrollers. A Forth system with interpreter, compiler, assembler and multitasker is provided.
    Downloads: 10 This Week
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  • 13
    KonsolScript: Automate and Orchestrate

    KonsolScript: Automate and Orchestrate

    Embeddable scripting runtime for live behavior, AI, and automation.

    KonsolScript is an embeddable scripting runtime for games, tools, automation, and AI-driven applications. Add a live scripting layer to any C++ application. Hot-reload behavior, patch running apps, and orchestrate AI workflows - without rebuilding or redeploying the binary. Ship once. Evolve forever. Key capabilities: - Embed into any C++ app with a single header - Hot-reload scripts at runtime without restarting - AI-safe: validate or reject scripts before execution - Orchestrate LLMs (OpenAI, Claude, Gemini, Ollama) in .ks scripts - Built-in: String, File, JSON, CSV, Math, Regex, and more - Plugins: HTTP, SQLite, MySQL, TCP, Redis, Crypto, JWT, Zip - Push behavior updates to remote instances over TCP Use cases: - Scriptable game engines (hot-patch rules mid-session) - AI event bridges (natural language to live app behavior) - Automation pipelines (CI, log triage, file processing) - LLM orchestration workflows Docs: https://konsolscript.sf.net/kookbook.html
    Downloads: 7 This Week
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  • 14
    Remote Desktop Client for the GNOME Desktop. Supported protocols: RDP, VNC, SSH. Configured sessions can be saved to the built in list. Additional programs required: rdesktop, tightvnc, ssh, gnome-terminal. Application can be run with Mono runtime.
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    Downloads: 3 This Week
    Last Update:
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  • 15
    Squirrel Shell is a cross-platform alternative to system shells like bash in Linux and cmd.exe in Microsoft Windows. It is based on scripting language "Squirrel".
    Downloads: 5 This Week
    Last Update:
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  • 16
    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.
    Downloads: 15 This Week
    Last Update:
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  • 17
    Teuton Preinstalled Environment (TPE)

    Teuton Preinstalled Environment (TPE)

    Alternative PE to rescue, hack or troubleshoot your machine or network

    TeutonPE is inspired by PortableApps.com combined with a PeBuilder compiled Boot USB / CD. Programs can be used, even when there is no OS installed. BB4win is used for Live Menu and as the default Shell.All Plugins are also BartPE & XPE compatible
    Downloads: 4 This Week
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  • 18
    Extreme Ultimate Tmux

    Extreme Ultimate Tmux

    Portable tmux config with menus, app launcher, tray icon. No plugins.

    Do you want the power of a fully loaded tmux plugin framework without installing a single plugin? One file. No plugin managers. No dependencies. No setup. Drop it on any machine and it just works. What you get feels like a desktop app: a menu system with submenus, a 21-app launcher, searchable help, a built-in scratchpad, a system dashboard, and a fully clickable status bar. All in a beautiful adaptive interface that auto-detects your fonts and scales from Nerd Font icons to plain ASCII on a TTY. The status bar knows when you are in SSH and moves out of the way. The clipboard works everywhere including over SSH. Every feature degrades gracefully. Nothing breaks if a tool is missing. To install: wget -O ~/.tmux.conf https://sourceforge.net/projects/ultimate-tmux/files/_tmux.conf/download Also includes: system tray icon (tmux-tray), terminal launchers for 5 terminals, and a WezTerm config. Companion: Extreme Ultimate .bashrc (sourceforge.net/projects/ultimate-bashrc)
    Downloads: 3 This Week
    Last Update:
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  • 19
    krX LUA Scripts
    krX is a shell scripting system in LUA using Love2D, which is cross-platform and modular. It allows, among other things, file management, command execution with graphical and multimedia capabilities, thanks to the Love2D API.
    Downloads: 5 This Week
    Last Update:
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  • 20
    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: 4 This Week
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  • 21
    TinyTcl is a tiny version of Tcl, for small footprint machines and embeddable/rommable applications. It is derived from Tcl 6.7 and compiles to less than 60K, 10X smaller than Tcl 7 and Tcl 8.
    Downloads: 4 This Week
    Last Update:
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  • 22
    PHPterm is a terminal/shell emulator for PHP which let's you execute shell commands just like in a shell, but all within your browser window over the HTTP protocol. It aims to provide the look and feel of konsole, the KDE terminal.
    Downloads: 2 This Week
    Last Update:
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  • 23
    A VNC Client for J2ME (Java 2 Mobile Edition). This includes a side project, an easy to use, clean java API for the RFB protocall. This project is now dead. Please see: https://sourceforge.net/projects/j2mevncclient/
    Downloads: 3 This Week
    Last Update:
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  • 24
    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: 2 This Week
    Last Update:
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  • 25
    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: 2 This Week
    Last Update:
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