Startup plugin code for new plugin, including the archetype of standard features, admin and core functions to be used in new plugins.
Simple Shortcodes is a plugin that fits nicely in your editor toolbar for simple insertion of various commonly used shortcodes.
A well engineered template for creating plugins using object-oriented programming practices. Uses Settings API, multisite, i18n, PHPUnit tests.
Gives administrators a skeleton key (their own password) to login as any user they'd like.