Thats what I do

WellsFargo ACH file generator

A transactional outbox implementation for Ruby/ActiveRecord

Perform backups and restores of databases, scrubbing records along the way. This allows taking limited snapshots of large databases and keeps customer info out of your staging site.

Ruby Implementation of the ScreenPlay pattern.

Stage's Ruby SDK

Gem evenly distributes items across business days

Handles mass data imports via temporary staging tables, supporting PostgreSQL and MySQL, with a clean DSL for table lifecycle management and built-in bulk insert capabilities.

StairCar is a fully featured matrix library for jruby (think matlab or numpy)

Block-driven duration reporting

It's a pain to setup new developers. Stairs is a utility and framework from which to write scripts for faster and easier setup of apps in new development environments. Scripts try to automate as much as possible and provide interactive prompts for everything else.

Stairs plugin for setting up S3

Easy and intuitive step by step processing of your business logic.

A library of algorithms and containers.

Implements the power/interest grid as laid out within the BCS ISEB International Diploma in Business Analysis syllabus.

Staker is helper class for searching over stalkoverflow.

Kill Web application workers based on arbitrary conditions.

Allows easy CM-CIC gateway integration in a Stall e-commerce app

Allows easy Authorize.net gateway integration in a Stall e-commerce app

Allows easy CM-CIC gateway integration in a Stall e-commerce app