prb

elasticsearch

Free and Open, Distributed, RESTful Search Engine

metrics

:chart_with_upwards_trend: Capturing JVM- and application-level metrics. So you know what's going on.

murder

Large scale server deploys using BitTorrent and the BitTornado library (NOTE: project no longer maintained)

gremlin

A Graph Traversal Language (no longer active - see Apache TinkerPop)

spark

Lightning-fast cluster computing in Java, Scala and Python.

boomerang

End user oriented web performance testing and beaconing

elephant-bird

Twitter's collection of LZO and Protocol Buffer-related Hadoop, Pig, Hive, and HBase code.

scala-redis

A scala library for connecting to a redis server, or a cluster of redis nodes using consistent hashing on the client side.

flume

WE HAVE MOVED to Apache Incubator. https://cwiki.apache.org/FLUME/ . Flume is a distributed, reliable, and available service for efficiently collecting, aggregating, and moving large amounts of log data. It has a simple and flexible architecture based on streaming data flows. It is robust and fault tolerant with tunable reliability mechanisms and many failover and recovery mechanisms. The system is centrally managed and allows for intelligent dynamic management. It uses a simple extensible data model that allows for online analytic applications.

slippy

HTML Presentations

java-uuid-generator

Java Uuid Generator (JUG) is a Java library for generating all standard UUID versions (v1 - v7)

hector

a high level client for cassandra

squeryl

A Scala DSL for talking with databases with minimum verbosity and maximum type safety

LinearML

Functional language for parallel programming

resty-gwt

Like GWT-RPC but with REST/JSON coolness

pipes

A Lazy Data Flow Framework (no longer active - see Apache TinkerPop)

krati

A hash-based high-performance data store

scalaj-collection

async-http-client

Asynchronous Http Client for Java

cassandra-webconsole

Web based console for cassandra

piglet

Piglet is a DSL for writing Pig scripts in Ruby

sounder

A grouping of Apache Pig examples.

hbase-gui-admin

Desktop GUI application for hbase management ...

scromium

An idiomatic scala library for interacting with cassandra

qsandra

A Cassandra backed PersistenceAdapter for ActiveMQ

cassandra-munin-plugins

Munin plugins for apache cassandra.

Protovis-Primer

Code for my Protovis Primer series

msv

Multi-Schema Validator

OCM

An ORM layer for the Apache Cassandra web scale database

msv

The Sun Multi-Schema XML Validator (MSV) is a Java technology tool to validate XML documents against several kinds of XML schemata. It supports RELAX NG, RELAX Namespace, RELAX Core, TREX, XML DTDs, and a subset of XML Schema Part 1. The project is licensed under the BSD license.