Manage objects stored MySQL database dynamically

StringList Class

Manage lists of strings

Nested Set DB Table

Manage nested sets of data stored in a database

Ladder PHP

Manage objects stored MySQL database dynamically
js color picker
A great script from jscolor.com which makes it much easier for your users to pick colors for input fields on your web page/web application.
OFX Parser

Parse and extract financial records from OFX files

Multi-byte Keyword Generator

Extract meta keywords from multi-byte texts