How to receive SMS without mobile or on website

Please find the websits to do that.

http://receive-sms.com
http://www.k7.net
http://www.simser.info
http://lleida.net/uk
http://sms-verification.com
http://receive-sms-online.com
http://www.youtxt.com/free-web-sms
http://www.textnow.com
http://pinger.com
http://receivesmsonline.com/freephonenumber/
http://www.receivesmsonline.com/
http://www.youtextmessage.com
http://www.411sms.com/freesms
http://www.textnow.com
http://www.smsverification.co.uk
http://www.twilio.com
https://www.tropo.com