This content was previously available on WikiPedia but deleted as not really encylopaedia-worthy. Since an article of mine was originally a major source for the data in the page, I took a copy for posterity. It's now here on Github, reformatted as an editable CSV file and publicly editable by all.
Why do you think that https://github.com/aaronpierce/pysendsms is a good alternative to List_of_SMS_gateways