Image via CrunchBase, source unknown Kaalga is a Firefox extension which integrates a very useful feature into your Wordpress blog editor. It basically highlights some particular words or phrases while you are writing your posts and suggests some possible links. Actually Wordpress is not the only supported platform but it works well with Blogger, TypePad and LiveJournal too.
Usage is very easy: use the combination “shift + right click” (shif+ctrl+click on a Mac touchpad) when your mouse is over the underlined words and a window with some suggested links pops up. The image below shows how it looks like:
Behind the scenes Kalgaa uses a semantic analysis engine called OpenCalais and shows the relevant results through Yahoo search.
A similar feature is provided by Zemanta too, a great plugin I use to insert links, tags and images to my blog posts very easily. Unlike Zemanta, one of the cool features of Kaalga is that it lets you insert your domain as the preferred source for links, making it very easy to insert links to posts which belong to your blog. The popup window then shows you your domain’s links first (with a red “L” which stands for “local”) then other links on the web.
My opinion? A big thumb up for this extension, definitely a must-have for any blogger and it is what I was always looking for. The funny thing? I had to insert the link to Kaalga.com manually 
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