Some tools that can be used with Vim:

blink.c: C program to make the cursor blink in an xterm.

ccfilter*: C program to filter the output of a few compilers to a common
		QuickFix format.

efm_filter.*: Perl script to filter compiler messages to QuickFix format.

efm_perl.pl: Perl script to filter error messages from the Perl interpreter
		for use with Vim quickfix mode.

mve.* Awk script to filter error messages to QuickFix format.

pltags.pl: Perl script to create a tags file from Perl scripts.

ref: Shell script for the K command.

shtags.*: Perl script to create a tags file from a shell script.

vim132: Shell script to edit in 132 column mode on vt100 compatible
		terminals.

vimm: Shell script to start Vim on a DEC terminal with mouse
		enabled.

vimspell.*: Shell script for highlighting spelling mistakes.

vim_vs_net.cmd: MS-Windows command file to use Vim with MS Visual Studio 7 and
		later.

xcmdsrv_client.c: Example for a client program that communicates with a Vim
		   server through the X-Windows interface.

[xxd (and tee for OS/2) can be found in the src directory]