I like to have colors in my command output. Here are a few wrappers I know of:

*1) CW.*
- Written in C.
- Compiles and work on GNU/Linux, BSD and Mac OS X
- [cw](http://cwrapper.sourceforge.net/cw-1.0.16.tar.gz)
- There are lots of commands supported and you can make your own wrapper for other commands.
- Example:

*2) Cope.*
- Written in Perl.
- [cope](https://github.com/trapd00r/cope)
- Looks the same than CW.

*3)Supercat.*
- written in C.
- Syntax coloring in cat.
- [spc](http://supercat.nosredna.net/supercat-0.5.5.tar.gz)
- Support for python, c, patch, diff.
- Exemple:

*4) Cdf.*
- Written in C.
- [cdf](http://bmp-plugins.berlios.de/misc/cdf/cdf.html)
- Example:

*5) Zsh live coloring.*
- Zsh script.
- to be included in ~/.zshrc.
- [zshlc](http://paste.xinu.at/l3nXN/)
- Example:

*6) Colored Man pages.*
- To be included in ~/.zshrc
- [clman](http://paste.xinu.at/tYE/)
- Example:

*7) Ls++.*
- Written in Perl.
- [ls--](https://github.com/trapd00r/ls--/)
- Example:

*8) Dircolors.*
- Complete dircolors file
- To be included in you shell config.
- [dc](https://raw.github.com/trapd00r/LS_COLOR.../LS_COLORS)
- You need gnu ls and dircolors from coreutils.
- Example:

*9) Colorize.*
- Written in Perl.
- Colorize logs.
- [cl](https://github.com/raszi/colorize)

*10) Freecolor.*
- Written in C.
- Pretty `free` output.
- [freec](http://www.rkeene.org/oss/freecolor/)
-Example:

*11) Pydf.*
- Another df colorizer.
- [pydf](http://freecode.com/projects/pydf)
- customizable.

*12) TTycolor.*
- GNU/Linux only!
- Change tty colorscheme easily:
- [ttyclor](https://github.com/trapd00r/ttycolor)

*13) Stderred.*
- [stderred](https://github.com/trapd00r/stderred)
- stderr in red.

*14) lolcat.*
- [lolcat](https://github.com/busyloop/lolcat)
- Written in rubby, use `gem install lolcat`
- rainbox colors on term output.
- Example:
... To be continued.