An Active Record Reputation System for Rails
Abstract Algebra for Scala
A platform for visualization and real-time monitoring of data workflows
Reversible conversions between types
Bittern Cache uses nvdimm to speed up block io operations
Twitter's fork of Apache BookKeeper (will push changes upstream eventually)
Breakout Detection via Robust E-Statistics
Cascading is a feature rich API for defining and executing complex and fault tolerant data processing workflows on a Hadoop cluster.
A Scala client for Cassandra
Cassovary is a simple big graph processing library for the JVM
CDK is a tool to quickly generate single-file html slide presentations from AsciiDoc
Scala extensions for the Kryo serialization library
Human-Powered Data Analysis with Mechanical Turk
Efficient, scalable, and flexible Java implementation of the Short Messaging Peer to Peer Protocol (SMPP)
Open Source Code of Conduct at Twitter
Twitter common libraries for python and the JVM
D3Kit is a set tools to speed D3 related project development
Find potential bugs in your services with Diffy
A high performance replicated log service.
Twitter's Effective Scala Guide
Twitter's collection of LZO and Protocol Buffer-related Hadoop, Pig, Hive, and HBase code.
Elephant Twin is a framework for creating indexes in Hadoop
Elephant Twin LZO uses Elephant Twin to create LZO block indexes