Matthew Rathbone lists no less than 18 MapReduce-related frameworks:
There are a lot of frameworks for writing map-reduce pipelines for
Hadoop, but it can be pretty hard to navigate everything to get a
good sense of what framework you should be using. I felt very
overwhelmed when I started working with Hadoop, and this has only
gotten worse for newcomers as the number of frameworks keeps
Make sure you also take a look at the Uri Laserson’s Guide of Python frameworks for Hadoop and also Sami Badawi’s Impressions About Hive, Pig, Scalding, Scoobi, Scrunch, Spark.
Original title and link: A Quick Guide to Hadoop Map-Reduce Frameworks ( ©myNoSQL)