Open Source C System Shells for Mac

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.

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.

A gdb-like debugger for bash

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

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.

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

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.

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.

An alternative to the POSIX standard to be used by "alternative" OS developers.

The xml-coreutils are simple shell command line tools which operate directly on XML files in a way which is analogous to the classical unix shell commands.

The Banana Kernel is an open-source pedagogical operating system intended to provide useful means for teaching basic OS concepts, with the possibility of interaction with external modules developed by the teacher or student.

The goal of the Basic Operating System (BOS) project is to write a new modular and fast operating system in NASM and GCC.

getoptions is a C implementation in the spirit of the Perl module Getopt::Long. No more building of getopt_long or getopt structures -- you can specify the option descriptions inline with the call to getoptions. User type handlers are also supported.

Are you looking for a command that you used recently? Do you want to avoid the need to write long commands over and over again despite you used them recently? Are you looking for a tool that is able to manage your favorite commands? HSTR is a command line utility that brings improved Bash command completion from the history. It aims to make completion easier and more efficient than Ctrl-r. Apart to the completion, history can be managed (you can remove commands that e.g. contain sensitive information like passwords) and bookmark your favorite commands.

Lamp is a Unix-like environment that runs in a single process (via threads) on traditional Mac OS, including standard I/O, vfork/exec, a shell, perl, sockets, virtual fs with /dev and /proc, signals, and ptrace(). Runs on 68K/PPC, and on OS X as Carbon.

Multipipe pipe splitter. Simple command to split output into several parallel commands.

A cross platform python based command line shell

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.

Accepts a regular expression as an argument and any matches found (stdin) will be highlighted (stdout) using shell color escape sequences. Good for looking through logs/monitoring console output/etc.

OS based on Agent based Security with a new type of split kernel and agents platform.

Single User Mode Lock (SUMLock) is a program to lock down the root user's terminal in Single User Mode (-s) on Mac OSX. Currently it does this by way of a password which is hardcoded into the program at the time of compilation.

Sakura is a Knowledge Navigator and User Interface for UNIX, which implements HyperMedia and its own windowing and packing system, both in the main program and in an extensive API for Tcl and other languages.

It is a simple operating system that i write in my spare time. It is not the best design and it is buggy but i hope it will get better.

The Technical Library Template Interface is a library capable of providing standardized interfaces in Creative Commons EAL-4 standards to the open source community.

TriOS - The Object Oriented Operating System, is the next generation operating system. Fully based on object orientation, it brings unique features to programmers and end users. Basically everything in TriOS is an object, even files and programs! Enjoy!!