Software projects I am involved with

I have contributed some IRB hacks to the
UtilityBelt project.

NullDB is a Rails plugin providing a null
database adapter, useful for running unit tests disconnected from
the database.

AlterEgo is a Ruby library providing state-specific behavior to objects.

FailFast is a small collection of assertion methods for Ruby.

HookR is a Ruby library for adding publish/subscribe callback “hooks” to your objects.