Francis Hwang

admin_assistant. Super-hookable, obsessively tested admin controllers for Rails.

event_sourced_record. Event Sourcing with Active Record.

sample_models. A library for making it extremely fast for Rails developers to set up and save ActiveRecord instances when writing test cases.

migreazy. Helps you manage Rails migrations across different code branches.

auto_cron. Rails plugin that lets you save your crontab in your project, which is then published to your servers every time you deploy.

ar-validations-json. Emits ActiveRecord validations into JSON format, to be used by the browser in rich-client apps

validates_with_block. dynamic, more readable block-driven validation for ActiveRecord models.

fake_ftp. Pure-Ruby FTP server for the purposes of integration testing

sync_machine. A mini-framework for intelligently publishing complex model changes to an external API.

raflcon. say you're at a con. and you want to rafl some stuf.

http_log_reader. Ruby

usaa_csv_to_qif. Utility for converting USAA Bank's CSV download into a QIF file

dcmi_period. Library for parsing and outputting DCMI time periods, as specified in http://dublincore.org/documents/dcmi-period/

refer_madness.