1. Jem VideoA companion wiki + code repository for the O'Reilly Media video "Just Enough Math". This site provides additional links, sample code, and other addenda.
2. ExelixiExelixi is a distributed framework based on Apache Mesos, mostly implemented in Python using gevent for high-performance concurrency. It is intended to run cluster computing jobs (partitioned batch jobs, which include some messaging) in pure Python. By default, it runs genetic algorithms at scale.
4. Intro sparkCode examples supporting the "Introduction to Apache Spark" video published by O'Reilly Media
5. nbtransomMachines and people collaborating together through Jupyter notebooks.
6. slinkySlinky, a high-performance web crawler / text analytics in Python, Redis, Hadoop, R, Gephi