Fireshot is a one of the few addons that are available for both Firefox and IE, it allows to take screen shots of web pages, edit them and annotate them in a simple editor.
There are some extensions like screengrab for taking screenshots, but this one also allows you to edit those screenshots. Using its [...]

Intel launched a Mash Maker application today as a browser plugin. It is similar to Yahoo Pipes and Microsoft Popfly but can be used inside the browser. The surprising part is that Intel, basically a hardware company launching this mashup creator application. Intel launched a digg clone a while back for software called Cool Software. [...]

One of the reason people love Firefox is its extensibility using Add-Ons, thanks to the community. Although Internet Explorer is the most popular browser it lacks extensions to customize it the way user wants. There are a few extensions for IE and IE7Pro is one of the best free Add-On available for Internet Explorer 7. [...]

Firefox has an inbuilt spell checker and it comes quite handy at times when you mistype a word. But the most popular browser on the planet IE doesn’t have one. Of course i don’t use IE very often, but if any of you work with IE this is useful for you.
ieSpell is a free [...]

We know that there are many Add-on’s available for Firefox to help us in web development, but when it comes to IE developer tools you will not see many of them.
DebugBar is a plug-in for IE to help web developers and coders in development.
Features:

DOM Inspector: View DOM Tree and modify tags attributes [...]