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Knowledge - All-in-one Internet Search (SSL & TLS)
Knowledge - The #1 Science Add-on - Science, Technology, Engineering, Math, Academic Journals - "A must have add-on for making discoveries." Binary App Dev (End-to-End Encryption & Encrypted SSL Suggestions)
Lyrics Search
Find your favorite lyrics. Search our lyrics database with over 10,000 lyrics.
Lyrics.net
On Lyrics.net you can find all the lyrics you need. From oldies to the latest top40 music.
To create your own collections, you must have a Mozilla Add-ons account.