Todd Ditchendorf
AquaQuery
FreeXQuery editor/debugger
Mac
HTTP Client
PaidDebug HTTP services by graphically creating and inspecting complex HTTP messages.
Mac
XSLPalette
FreeXSLT 2.0/XQuery 1.0 palette for BBEdit/TextMate
Mac
XMLMate
FreeTextMate XML/XHTML validator plug-in
Mac
Fluid
Trial versionTransfer web apps to the OS X desktop.
Mac
XML-RPC Client
FreeXML-RPC graphical debugger
Mac
SOAP Client
Freedebug soap & wsdl-based web services
Mac
Mocks
PaidCreate high-fidelity mockups of iOS, iPad and iPhone applications.
Mac
Fake
Trial versionAutomate web browser actions, run tests on your own website.
Mac
Exedore
Trial versionMac-native, single-window Python IDE.
Mac
GooeySAX
Freevalidate & check XML documents
Windows
CanvasUML
FreeUML diagramming tool
Mac
Cocoa Cookies
Freemanage cookies in Safari, NetNewsWire, Shiira
Mac
Shapes
Trial versionCreate elegant diagrams.
Mac