Premium Markets is an automated financial technical analysis system.
Create a webapp from an existing database in 30 seconds - Java/Groovy
A currency and stocks, charting and analysis tool.
Angry calculator is a calculator java
Easy, Lite weight, real time, web based, reporting & analytic tool
jchart2d is a real-time charting library written in java.
User Friendly Technical Analysis tool for CSE Equity trading.
Open Source Reporting & Data Visualization Platform
Free Java components for Quantitative Finance and Algorithmic Trading
Interactive Swing based Charting library to display science data
although fully functional, this is a pre-framework that you can extend