QuickFIX/J

QuickFIX/J is a Java implementation of FIX (Financial Information eXchange) protocol.

QuickFIX/J is a full featured messaging engine for the FIX protocol. It is a 100% Java open source implementation of the popular C++ QuickFIX engine.

Features

Free! It costs nothing and has a very liberal open source licence.
Full source code available (also at no cost).
Supports FIX versions 4.0 - 4.4.
Runs on any hardware and operating system supported by 1.4+ Java SE or compatible VM.
Compatibility with QuickFIX C++ Java Native Wrapper API (easy to upgrade)
Java NIO asynchronous network communications for scalability (using Apache MINA)
Supports embedded SSL with Java 5+
Provides standard JMX MBeans for FIX engine management
Easy to embed in existing Java applications.
Choice of message processing threading strategies
Communication transports for TCP sockets and VM pipes.
Metadata-driven parsing and validation.
Metadata-driven code generation of type-safe FIX message-related classes.
Metadata API for use at application level (for example, FIX messaging UI).
Support for protocol customizations (new messages, fields, constraints).
Session state storage plugins: JDBC, File, SleepyCat/JE, In memory
Logging plugins: JDBC, File, SFL4J (supports JDK1.4 logging, Log4J, Commons Logging), Console, Composite
Failover and High Availability.
Scheduling of session connections.
Many automated unit and acceptance tests.
Example applications: Simple Swing order entry UI and a console-based order execution simulator.
Commercial support available from multiple sources.