Custom search engines for Firefox - TweetsToRSS, DuckDuckGo, V Subhash.in Blog, YouTube, Amazon.com, Amazon.in, Flipkart, Bing, Google Image Search, Google News, Google Video Search

Mozilla is on a suicide march. It has removed important features like RSS and OpenSearch, and becoming a Chrome-clone. Earlier, you could add custom search engines by creating OpenSearch XML files and dropping them in the browser profile directory. Now, they have to be hosted somewhere for you to install them. So, I am hosting XML files for these search engines:

Subhash TweetsToRSS
V Subhash.in Blog
DuckDuckGo (Javascript and HTML)
Bing
Google (Search, Images, Videos, News)
Amazon (US and India) and Flipkart