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PHP - Code parts and examples:

Simple Guestbook (with spam blocker) [Script/Sourcecode]
Email [Script/Sourcecode]
File and Directory Listing [Script/Sourcecode]
Simple Online Notepad [Script/Sourcecode]
MD5 Pwd creator [Script/Sourcecode]
Disk/WebSpace info [Script/Sourcecode]
switch-case /-menu [Script/Sourcecode]
TXT based database [Script/Sourcecode]
CSV/TXT based database [Script/Sourcecode]
php in a box [Script/Sourcecode]
file counter [Script/Sourcecode]
source of a html file [Script/Sourcecode]
Complete applications in PHP: Websoft

Batch - Dos/Windows:

Backup [with logfile]

Shell script - Unix/Linux/MacOs:

Command Line Twitter Client by using curl:
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