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.

The Heirloom Project provides standard Unix 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.

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.

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

A gdb-like debugger for bash

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.

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

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.

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.

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

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

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.

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.

uGNU/RTOS (literally "micro G'Noo RTOS") is an Open Source serial Real Time OS for microcontrollers (PIC, ATMEL).

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.

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.

A Windows registry DOS-style command line shell. Provides a complete feature set of all Windows registry functions on keys, values, imports, exports, hives, and symlinks. Provides common command line shell functions such as tab auto-complete.

Loggy is a Linux Advanced Logcleaner and a tool to hide you in a linux machine by cleaning or modifing the intruder's ip from all the logfiles in /var bin and txt logs it find logs, with a recursive search in /var/log and a lot of fantastic features

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.

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.

The Shex project aims to provide new UNIX tools that extend the functionality of shell scripts, making it possible to write scripts that in the past would have required the use of other programming languages.

cw(color wrapper) is a non-intrusive ANSI color wrapper for common unix-based commands on GNU/linux. cw is designed to simulate the environment of the commands being executed, so that if a person types 'du', 'df', etc. it will be colored in real-tim

Mirdir allows to synchronize two directory trees in a fast way. Only the differences between the two sets of files are copied while the excess files/directories in the destination tree are removed (unless there was an explicit request to keep them).