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 Softw
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.
zsh is a shell probably most similar to ksh, but with countless enhancements and differences.
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.
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.
We have debuggers for bash.
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.
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.
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.
A clone of Norton Commander for Unix. Text-based, full featured file manager intuitive interface.
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.
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.
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.
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.
Z shell for Windows
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.
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.
A Unix shell embedded in Scheme.
osxutils is a collection of utilities to facilitate working with Mac OS files and interacting with the Finder from the command line, particularly file meta-data such as Finder flags, type & creator codes, icons, comments, labels and suffices/extensions.
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.
LtTTY is a windows ssh client based on PuTTY. It has some Expanded functionalities: stored the settings information at local file(not Registry); easy to manage multi-window; transparentable window; and so on ... I think it will be useful.
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.
uGNU/RTOS (literally "micro G'Noo RTOS") is an Open Source serial Real Time OS for microcontrollers (PIC, ATMEL).