1. TwistarTwistar is an object-relational mapper (ORM) for Python that uses the Twisted library to provide asynchronous DB interaction.
2. BanditA multi-armed bandit optimization framework for Rails
3. AnkusaText classifier in Ruby that uses Hadoop/HBase, Mongo, or Cassandra for storage. New location for http://github.com/livingsocial/ankusa
5. StactiverecordStactiveRecord is a C++ ORM library designed to make simple database use as simple as possible. It was inspired by Ruby on Rail's Active Record, however, no similar look, feel, or performance is guaranteed. It uses an Object-relational mapping pattern to represent records as objects. It also provides persistent object relationships (one to many, many to many, one to one).
6. FastimagePython library that finds the size / type of an image given its URI by fetching as little as needed
7. Pundit ElixirSimple authorization helpers for Elixir stucts, like Ruby's Pundit
14. mod auth openidmod_auth_openid is an authentication module for the Apache 2 webserver. It handles the functions of an OpenID consumer as specified in the OpenID 2.0 specification.
15. pymurpymur is a Python interface to The Lemur Toolkit.
16. arrowDate interaction for Golang, with strftime formatting for time