MobileRPC
MobilerRPC enables remote procedure calls between J2ME applications and java sevlet server

Software Development::Code Generators
Software Development::Object Brokering

REST weblog interface for Movable Type
MT::REST is a Perl package that provides Movable Type support for REST-style access to all of Movable Type`s core functionality

Internet::WWW/HTTP::Dynamic Content::CGI Tools/Libraries
Internet::WWW/HTTP::Dynamic Content::Message Boards
Software Development::Object Brokering

RETS Transaction
RETS Transaction is a lightweight component system that provides RETS authentication and transaction services as well as

Software Development::Object Brokering

XINS
XINS is an open-source Web Services technology, supporting SOAP, XML-RPC and REST. It consists mainly of an XML-based specification

Communications
Internet::WWW/HTTP
Software Development::Build Tools
Software Development::Code Generators
Software Development::Object Brokering
System::Distributed Computing

jUDO (Universal Data Objects)
jUDO (java Universal Data Objects) handles coding against a database Independent of database (plugins for db2/Oracle/Cloudscape

Database::Database Engines/Servers
Education
Software Development::Code Generators
Software Development::Object Brokering

Built to Aid Internet Technologies
An php alternative. Fully objective language (operators overloading too :) with many powerful features: persistent objects

Internet::WWW/HTTP::Dynamic Content
Software Development::Build Tools
Software Development::Compilers
Software Development::Object Brokering

BoldSoap Framework
BoldSoap Framework (BSF) is a lightweight Web Services integration framework based on the idea of Dependency Injection and

Software Development::Object Brokering

XML Object Transport
XOT is an XML based distributed object platform for Object Oriented programming in distributed, heterogeneous environment

Software Development::Object Brokering

O2DB - object mapping to relational DB
interface for storing objects to relational database (mySQL at the moment); written in python; nice to use with zope application

Database::Database Engines/Servers
Internet::WWW/HTTP::Dynamic Content
Software Development::Object Brokering

XmlRpc++
XmlRpc++ is an implementation of the XmlRpc protocol written in C++, based upon Shilad Sen`s excellent py-xmlrpc library

Internet
Software Development::Object Brokering
System::Distributed Computing