UMLet is an open-source UML tool with a simple user interface: draw UML diagrams fast, export diagrams to eps, pdf, jpg, svg, and clipboard, share diagrams using Eclipse, and create new, custom UML elements.
P6Spy is an open source framework for applications that intercept and optionally modify database statements
spreadsheet formulae like $SUM(
Watir Maker is a utility for Watir test developers which will record actions in a browser. It comes in two flavors: the C# version, and the Ruby version.
FireWatir is a browser-driver QA Test Automation tool that aims to provide WATiR like functionality to Firefox based testing.
Infinitest is a continuous JUnit test runner designed to facilitate Test Driven Development. Infinitest helps you learn TDD by providing feedback as you work, and helps you master TDD by reducing your feedback cycle from minutes to mere seconds.
ViewVC is a browser interface for CVS and Subversion version control repositories. It generates templatized HTML to present navigable directory, revision, and change log listings. It can display specific versions of files as well as diffs between those ve