Kosmos filesystem is a high performance distributed filesystem for web-scale applications such as, storing log data, Map/Reduce data etc. It builds upon ideas from Google's well known Google Filesystem project.

(tags: filesystem opensource c++ cluster distributed grid gfs)

Perhaps you’re considering using a dedicated key-value or document store instead of a traditional relational database.

(tags: database scalability distributed storage programming couchdb rdbms performance key-value)

An optimization branch of CPython, intended to be fully compatible and significantly faster.

(tags: python llvm performance google vm optimization opensource jit programming)

JDBC-Redis is Java driver using the JDBC interface for Redis Database (http://code.google.com/p/redis/). This project doesn't aim for a complete implementation of the JDBC specification since Redis isn't a relational database, but should provide a familiar interface to Java developers interact with Redis.

(tags: redis java jdbc database library)

JUnitExt is an extension of JUnit 4, which adds additional annotations and runners for @Prerequisites, @Categories and many other things.

This library provides an Ant task and a Maven plugin to create Debian packages from Java builds in a truly cross platform manner.

(tags: java apache programming ubuntu debian packaging maven ant deb)