My list of open source projects:

Coeus

A traditional MVC web framework for Scala with focus on productivity and developer usability.
Language: Scala, Inception: 2009, License: Apache 2.0, Status: Active.
http://github.com/sptz45/coeus

coeus-spring

Integration of Coeus with the Spring Framework.
Language: Scala, Inception: 2010, License: Apache 2.0, Status: Active.
http://github.com/sptz45/coeus-spring

coeus-samples

Sample applications using the Coeus web framework.
Language: Scala, Inception: 2010, License: Apache 2.0, Status: Active.
http://github.com/sptz45/coeus-samples

sse-guice

Makes the Guice internal DSL more Scala friendly.
Language: Scala, Inception: 2010, License: Apache 2.0, Status: Active.
http://github.com/sptz45/sse-guice

sse-jmx

JMX for Scala.
Language: Scala, Inception: 2009, License: Apache 2.0, Status: Active.
http://github.com/sptz45/sse-jmx

sse-breaker

A circuit breaker implementation in Scala.
Language: Scala, Inception: 2009, License: Apache 2.0, Status: Active.
http://github.com/sptz45/sse-breaker

Pool NG

A modern database connection pool.
Language: Java, Inception: 2009, License: Apache 2.0, Status: Inactive.
http://github.com/sptz45/pool-ng

Circuit Breaker

An implementation of the circuit breaker stability pattern using AOP.
Languages: Java and AspectJ, Inception: 2009, License: Apache 2.0, Status: Active.
http://www.tzavellas.com/projects/circuit-breaker

Simple Bean Validator

A library for validating Javabeans based on a Java internal DSL.
Language: Java, Inception: 2007, License: Apache 2.0, Status: Archived.
http://www.tzavellas.com/projects/bean-validator

Dynamic Delegate

An implementation of the Business Delegate design pattern using dynamic proxies.
Language: Java, Inception: 2005, License: Apache 2.0, Status: Archived.
http://www.tzavellas.com/projects/dyndelegate

You may also want to visit my GitHub profile