https://namechk.com/

Use Namechk to search for an available username or domain and secure your brand across the internet as ... Having difficulty finding a good name or brand?

https://checkusernames.com/

Username Search for the most popular Social Media and Social Networking sites . Check for your brand, trademark, product or user name on 160 Social ...

https://www.namecheckr.com/

Check domain & social username availability across multiple networks. Need Help? .com · facebook · twitter · tumblr · reddit · slack · instagram .net · myspace.

https://www.namecheck.com/

Search domain names and social media usernames to find out your name's availability for free.

https://checkuser.org/

Check Username Availability On Top 70+ Social Network Sites! ... Find available usernames, brand names, or product names on top social network sites with ...

https://thenextweb.com/2009/06/30/check-username-availability-sites/

Jun 30, 2009 ... I recently made a half serious post on FriendFeed as to whether or not you would name your child if the domain of their name wasn't available.

http://www.spinxo.com/instagram-names

Use our username generator to combine various popular keywords with your name, words that are ...

https://knowem.com/

Check username availability on over 500 social networks in social media, ... database to see if your company, brand, product, or username is available or taken.

https://www.instagramavailability.com/

It instantly checks to let you know if a username is available as you type. It allows you to quickly and easily find cool, good Instagram usernames.

https://yihui.name/en/2013/01/find-out-available-usernames-with-r/

Jan 5, 2013 ... Update on 2013/01/05: Xiao Nan in the comments pointed out that apply(combn( letters, 2), 2, paste0, collapse = '') was wrong for all two-letter ...