Litecoin is in the top ten of all cryptocurrencies by market capitalization. Websites are rapidly adopting Litecoin as a method of payment as well. If you yourself want to accept LTC as a business, you can refer to these merchant manuals. Alternatively, if you would like to explore websites that accept Litecoin, head over to /r/AcceptingLTC.
Here are also several of our favorite merchants accepting Litecoin.