Tosef.com -- Tosef
Tosef.com
As of September 9/30/2015, no live official trademarks were found on USPTO.gov for the exact term
Best of all, it is short -- what's not to like about that?
In addition, Tosef would be a great name for a startup.
Without parsing, this domain is pronounceable and ready for branding your new business -- whatever that may be.
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