How to develop a Firefox extension
Sweet tutorial breaking down the steps involved in writing a Firefox plugin/extension.
HTTP Client
“A Mac OS X Leopard developer tool for debugging HTTP services by graphically creating & inspecting complex HTTP messages.”
NetFlix Origami
“NetFlix tear-off flaps are sturdy, colorful, and perfect for origami and paper airplanes, so don’t just toss those wrappers into the recycling bin.”
IETester
“IETester is a free WebBrowser that allows you to have the rendering and javascript engines of IE8 beta 2, IE7 IE 6 and IE5.5 on Vista and XP, as well as the installed IE in the same process.”
How to build a Firefox extension
How to build a Firefox extension
List of resources and details on how to get started building simple FF extensions, care of LifeHacker.
SUMO Paint
“Online Image Editor”. It’s like Photoshop, on the web.
xSort
“a free card sorting application for Mac OS X”
CSSTidy
“CSSTidy is an opensource CSS parser and optimiser.”
The Invoice Machine
Pretty slick online invoicing and basic project/time management tool.
wpSearch
WordPress search engine based on Lucene. Sounds pretty solid.