Java Web Services Development Pack

The Java Web Services Development Pack is a free software development kit for developing Web Services, Web applications and Java applications with the newest technologies for Java.
Oracle replaced JWSDP with GlassFish. All components of JWSDP are part of GlassFish and WSIT and several are in Java SE 6 . The source is available under the Open Source Initiative-approved CDDL license.

Java APIs

These are the components and APIs available in the JWSDP 1.6:

Java API for XML Processing, v 1.3
Java API for XML Registries
Java Architecture for XML Binding, v 1.0 and 2.0
JAX-RPC v 1.1
JAX-WS v 2.0
SAAJ
Web Services Registry

Starting with JWSDP 1.6, the JAX-RPC and JAX-WS implementations support the Fast Infoset standard for the binary encoding of the XML infoset. Earlier versions of JWSDP also included

There are many other Java implementations of Web Services or XML processors. Some of them support the Java standards, some support other standards or non-standard features. Related technologies include:

Eclipse Metro - web services stack from GlassFish
Apache Axis - web services framework
XINS - RPC/web services framework
xmlenc - XML output library
JBossWS - web services stack from JBoss