The ASF is made up of more than 150 top level projects which cover a wide range of technologies. Chances are if you are looking for a rewarding experience in Open Source, you are going to find it here.
DeltaSpike is a collection of portable Extensions for CDI Containers
Apache DeltaSpike is a portable JSR-299 CDI (Contexts and Dependency Injection for Java) Extension library which contains lots of useful tools and helpers which are missing in the CDI core spec. DeltaSpike is not a CDI-container itself, but a portable Extension library which can run on all CDI-containers! DeltaSpike is tested and runs on many Java EE Servers like Apache TomEE, Red Hat JBoss Application Server, JBoss Wildfly, Oracle WebLogic, Oracle Glassfish, IBM WebSphere, and also on simple Servlet containers like Apache Tomcat or Jetty in combination with either JBoss Weld or Apache OpenWebBeans.
Library to use configuration/preferences of various sources and formats.
Apache Nutch is an open source web-search software project.
Apache Nutch is a highly extensible and scalable open source web crawler software project. Stemming from Apache Lucene, the project has diversified and now comprises two codebases, namely: Nutch 1.x: A well matured, production ready crawler. 1.x enables fine grained configuration, relying on Apache Hadoop data structures, which are great for batch processing. Nutch 2.x: An emerging alternative taking direct inspiration from 1.x, but which differs in one key area; storage is abstracted away from any specific underlying data store by using Apache Gora for handling object to persistent mappings. This means we can implement an extremely flexibile model/stack for...