Package for building REST-style Web Services using Go
...Request API for reading structs from JSON/XML and accessing parameters (path, query, header). Customizable gzip/deflate readers and writers using CompressorProvider registration. There are several hooks to customize the behavior of the go-restful package.
Flexconf takes C++ header files and generates de/serializers that read/write contained structures from/into configuration files. It supports XML and Windows Registry out of the box. It handles almost any file format through it's template mechanism.
Configutron is a generic XML based application configuration module. It provides the application developer to define and load XML based app configurations without having to write a single line of Java code to parse and read the configuration file.
Macker helps enforce architectural rules (layering, tiering, modularity, etc) in your Java code. It applies pattern-based access rules from XML rules files to your compiled classes. Read the FAQ: http://innig.net/macker/faq.html
Pynt is a next generation java build tool. It uses its own Python-like scripting language that is easier to read and less verbose than xml and is capable of running all Ant tasks.