Spam-Detecting AI - Spam detection in the physical world
Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.
Re:scam - I’m an AI chatbot created to send scammers a message.
Hiya - Know who's calling or texting and block spammers on Android
CleanTalk - Spam protection plugins for Joomla, WordPress, phpBB3, IP.Board, vBulletin and etc.
Kyte - India's first AI powered SMS inbox