smsmap
Simple reporting system SMS to sqlite3 and web clustering display
Designed as quick coronavirus infrastructure for feature phones and simple non-app users. One can use it as self-isolation notification, requests for help (both therefore map clustered) etc. The 0.9-4 version will now work with a local SIM card and gammu-smsd, no need for an SMS supplier. There's a demo with a UK number, contact me, if you want to try it out.
Also since it's Perl one can add a great deal of sophisticated message parsing on the application side. It'll run comfortably on a old...