Freshmeat: Wapsh
- A shell allowing logins to a Unix system from a WAP enabled cellular phone.
- http://freshmeat.net/projects/wapsh/

Win32 ZSH
- Z Shell ported to Windows 95/98/NT.
- ftp://ftp.blarg.net/users/amol/zsh/

MKS Toolkit
- Ksh and Csh for Win32 environments, as well as a full development environment.
- http://www.mkssoftware.com/products/tk/ds_tkdev.asp

MacShell
- Unix-like command line interface for the Macintosh, modeled on csh.
- http://www.cs.washington.edu/homes/fred/macshell.html

Hamilton C shell Product Overview
- Hamilton C shell recreates the original UNIX C shell and utilities completely from scratch on Windows NT, Windows 95 and OS/2, adding numerous enhancements.
- http://www.hamiltonlabs.com/cshell.htm

GNV
- A Unix environment for the VMS operating system, including a port of the bash shell.
- http://gnv.sourceforge.net/

Cygwin
- Windows ports of many of the popular GNU software tools, including the BASH and tcsh shells.
- http://www.cygwin.com/

New Adventure Shell
- Script written in ksh/bash/zsh which causes the user's shell to act like a text adventure game.
- http://nadvsh.sourceforge.net/

scsh
- A broad-spectrum systems-programming environment for Unix-like operating systems. Based on R5RS Scheme.
- http://www.scsh.net/

Last File Manager
- A Midnight Commander clone written by a hobbyist in Python. [Open Source, GPL]
- http://www.terra.es/personal7/inigoserna/lfm/

Dotfile Generator
- Program to automatically build configuration files for BASH and C shells.
- http://www.blackie.dk/dotfile/

Psh Development Home
- Development page for psh, a native perl shell for Windows 95/98/2000 and POSIX operating systems. Documentation and mailing list archives available online, with source and binaries available for download.
- http://sourceforge.net/projects/psh/

AE Shell
- A standards-compliant Bourne Shell clone for Unix. Site includes source, binaries and documentation.
- http://www.cse.unsw.edu.au/~neilb/oss/ae/

VCL
- Boston Business Computing's VCL page.
- http://www.bosbc.com/vcl.htm

Rc, the Plan 9 Shell
- A command interpreter for the Plan 9 OS. The article contrasts rc with the Bourne shell, the closest Unix equivalent.
- http://plan9.bell-labs.com/magic/man2html/1/rc

Softpanorama Open Source University
- Open content tutotials and other information on bash, ksh, and zsh.
- http://www.softpanorama.org/Scripting/shells.shtml

Jsh Development Home
- Development page for jsh, an OS independent shell with native Java support. Links to download source and binaries.
- http://sourceforge.net/projects/jsh/

HTML Shell
- A platform for embedding Unix shell commands and complete shell scripts into a webpage.
- http://www.nmmm.nu/linux/sh/htsh.htm

comp.unix.shell FAQ
- Plain-text FAQ with newsgroup links.
- http://www.faqs.org/faqs/unix-faq/shell/intro/

Shell Overview
- A high-level examination of the Unix shell.
- http://www.mcsr.olemiss.edu/unixhelp/shell/index.html

Korn Shell Home
- Korn shell resources and documentation with multiple versions available for download.
- http://www.kornshell.com/

pdksh
- Public domain Korn shell. Manuals and links to download it.
- http://www.cs.mun.ca/~michael/pdksh/

Commandline Culture Shock
- Advocate essay and guide for new shell users.
- http://www.dsj.net/linux/commandline.html