a fast, scalable, multi-language and extensible build system

Apache Cassandra®

Yahoo! Cloud Serving Benchmark

ZooKeeper client wrapper and rich ZooKeeper framework

Java Agent for Memory Measurements

A collection of spouts, bolts, serializers, DSLs, and other goodies to use with Storm

A compressed alternative to the Java BitSet class

Java client and server implementation of Redis

Transactional Support for HBase (Mirror of https://github.com/apache/incubator-omid)

GoldenOrb is an open-source implementation of Pregel, Google's graph processing framework

A library to implement asynchronous dependency graphs for services in Java

High-performance, streaming/chunking Java LZF codec, compatible with standard C LZF package

Java Posix layer

Benchmark suite for data compression library on the JVM

Send and receive bitcoins from your Android phone!

High performance non blocking web framework

Concurrent TreeMap w/ efficient support for clone() and consistent iteration

Continuous Streaming SQL Queries for Flume

Mirror of Apache Whirr

Common metadata layer for Hadoop's Map Reduce, Pig, and Hive

Twitter's fork of Apache BookKeeper (will push changes upstream eventually)

A compiler and runtime for Google's Sawzall language, optimized for Hadoop

SBT Plugin to generate wars with embedded Jetty

Java Future proposal for JDK8

Mirror of Apache Cassandra (incubating)

group varint encoding

Experiments and prototypes for changes to Apache Cassandra.

Achieve better compression for small objects with a predefined corpus

Java Agent for Memory Measurements