What are some free text services?

I'm looking for a way to allow visitors to my site the option to A) Scan a Q-Code with their smartphone to subscribe to text message alerts, or; B) Enter their mobile # and go through a confirmation process where they then are sent an opt-in confirmation...

Ever since I was pointed towards Umbrella Today I've yet to be caught out in the rain without an umbrella. I'd quite like to find other free services that automatically send a text message alert. It can be about whatever, doesn't have to be weather related...

They need to be..... Free Text service Ask questions (not like Google) Real people answering preferably Free Basically just like ChaCha Free And I do know that ChaCha is free but I accidentally entered the wrong year and now I'm not old enough

What services allow people to send information to our organization via text message? I'm trying to implement a system where attendees at our events can text their email addresses to us (e.g. "text your you@domain to ###### to sign up for our list...

I'm looking for a text summarization service with a web API which I can use for a simple project I'm working on now. The service needs to have a free version which I can use temporarily before upgrading. I simply need to summarize large lumps of text...