MoreSQL streams changes from MongoDB to Postgres in realtime
Ruby Gem for the SilverPop API
Easy way to archive an entire organisation repos on S3
Testing Lunch & Learn
Heroku buildpack for R (http://www.r-project.org)
Luigi is a Python module that helps you build complex pipelines of batch jobs. It handles dependency resolution, workflow management, visualization etc. It also comes with Hadoop support built in.
AWS Kinesis stream tailing package and command line tool
Datomic Peer Buildpack & Service
A reverse proxy that provides authentication with Google, Github or other provider
A Ruby wrapper for the Speechpad API
Heroku Logplex HTTP drain processing library in Go
Ruby gem to access and parse OpenCalais API
Ruby Gem for signing imgix URLs.
A Ruby wrapper for the Slack API
Heroku's Ruby Buildpack for Cedar