Black scalpel is an advanced graphical (Swing gui) security and analysis tool written in Java, C and Assembler (platform independent). Current stage is early alpha, many features are still missing. Use SVN!
JStream is a stream manipulator based on plugin architecture.
Streams are manipulated via custom scripts (Java language).
JStream uses Java NIO for better performances.
With JStream, you can easyly create programs like : MD5Sum, TCP Redirector...