Open Source C System Shells

zsh is a shell probably most similar to ksh, but with countless enhancements and differences.

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.

The Heirloom Project provides standard Unix utilities.

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.

A gdb-like debugger for bash

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.

iSH is an open source project that allows for a Linux shell environment to run locally on your iOS device. It does this through a usermode x86 emulation and syscall translation. With iSH you can run Linux applications and programs on iOS, access the Alpine package manager, and install programs with apk add <name>. iSH also features a keyboard addition that makes navigation a whole lot easier.

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

The Doszip Commander is an LFN-aware TUI file manager (NC clone) with built-in Zip and UnZip for DOS and Windows.

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.

Seal is a free, open source 32-bit GUI written primarily for DOS compatible systems.

rssh is a restricted shell for use with OpenSSH, allowing only scp and/or sftp.

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.

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.

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

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

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.

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.

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.

env-switcher effectively allows users to manipulate the environment loaded for all shells (including non-interactive remote shells) without manually editing their startup dot files -- something that users traditionally have difficultly doing properly.

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.

Tiny Shell provides the minimum you need to implement shell facilities into a small system. For instance, add a shell to your embedded platform as soon as you can read/write bytes from the UART.

A Unix shell embedded in Scheme.