"a set of Java libraries that make using Apache ZooKeeper much easier"

"A language made for Java developers."

"Application Performance Management for the Cloud Generation - Java/.NET"

"an open source library that helps you get started in the cloud and reuse your java development skills"

a library that provides easy cluster management and workload distribution

"a small ( less than 100k ) thread pooling and NIO handling framework API modeled after the libdispatch API that Apple created to power the Grand Central Dispatch (GCD) technology in OS X"

"a VM designed for and written in the Java(TM) Programming Language with an emphasis on leveraging modular design, and code reuse to achieve flexibility, configurability, and productivity for academic and industrial virtual machine researchers"

"The fastest way for Java EE developers to build, manage and scale applications in the Cloud."

a resource oriented microkernel and RESTful application server created from the convergence and unification of the powerful fundamental concepts found in the World Wide Web and Unix

"a new easy-to-use high-speed software library for network communication, encryption, decryption, signatures, etc."

What works and what doesn't on Java App Engine.

Great post. Talks about the big picture of developing on Google's cloud, but also the particulars.

"Diversity is coming back in the world of programming languages."

An alternative standard library for real-time Java applications. Looks like development stopped two years ago, though.

"JSR will develop an API for providing support for RESTful(Representational State Transfer) Web Services in the Java Platform"

"a rich selection of tools available to the Java community for gathering code metrics"

"a distributed key-value storage system" ... "used at LinkedIn for certain high-scalability storage problems where simple functional partitioning is not sufficient". In the near future, it will be standard practice to deploy every high-traffic web application with a relational database, a document database, and a DHT like this.

"a Java library that implements our approach to Software Transactional Memories"

"an open source cryptographic toolkit designed to make it easier and safer for developers to use cryptography in their applications"

HashMap, maybe a Trie.

"a popular dependency manager focusing on flexibility and simplicity". Sort of adds Maven functionality to Ant.

Big multi-core boxes and such, aimed at demanding Java apps.

"What code shapes does the JVM optimize best? Here is a list."

Beat to the punch!

"a netbase — a network-oriented database — that is, an embedded, disk-based, fully transactional Java persistence engine that stores data structured in networks rather than in tables."

A look under the hood of Scala's actor model.

A thing I may someday need to do.

*stabs Sun*

How Dopplr does their message queues.

Sad but true.