GroinK is an advanced sniffer which supports protocol deconding and MiTM attacks. Unlike other sniffers, Groink uses lua as scripting language, which allows you to extend it easily.
JHyenae is an entirely overworked Java port of the low-level network packet generator Hyenae. Besides a clean and intuitive UI, it features full range protocol layer configuration and a steady growing variety of supported packet generators.
A unit test facility for command line programs with file input and output.
A tool for editing version control repository history.