jSQL Injection is a lightweight application used to find database information from a distant server. jSQL is free, open source and cross-platform (Windows, Linux, Mac OS X, Solaris).
KeepNote is a note taking application that works on Windows, Linux, and MacOS X. With KeepNote, you can store your class notes, TODO lists, research notes, journal entries, paper outlines, etc in a simple notebook hierarchy with rich-text formatting, images, and more. Using full-text search, you can retrieve any note for later reference.
Maltego is a unique platform developed to deliver a clear threat picture to the environment that an organization owns and operates. Maltego’s unique advantage is to demonstrate the complexity and severity of single points of failure as well as trust relationships that exist currently within the scope of your infrastructure.
Powerfuzzer is a highly automated and fully customizable web fuzzer (HTTP protocol based application fuzzer) based on many other Open Source fuzzers available and information gathered from numerous security resources and websites. It was designed to be user friendly, modern, effective and working.