Sites and apps similar to TxtSync include Twilio. It's paid, but Tellephant is free. Other options are Plivo, Clockwork SMS, SendSMSGate and Textlocal. You can choose from more than 10 Email Marketing Services like TxtSync for Android, iPhone, Chrome OS, self-hosting and Mac.
D7 SMS allows reaching the customers via SMS over D7's own connectivity to global mobile networks. D7 provides reliable and cost-effective SMS services to businesses across all industries and aims to connect all countries and territories.
WhatsApp is a popular messaging platform around the globe. With Maytapi you can send and receive messages from WhatsApp using simple HTTP requests. Integrate your marketing or business platform (Shopify, Woocommerce, CRM ets.) to WhatsApp easily.
