Apps similar to NowSMS include Ozeki NG SMS Gateway. It's paid, but Secure SMS Proxy (S2MSP) and MMS Compiler are free. Other options are Flashy.app, Targlets.com, SMGS and Mobile Broadband SMS Toolkit. In total there are eight Email Marketing Services like NowSMS for Windows, Linux, the web and Android.
Ozeki NG SMS Gateway is a powerful, reliable and flexible SMS Gateway application. It enables you to send/receive huge amount of SMS and MMS messages from Microsoft Windows-based computer to mobile devices.
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Flashy helps you get to know your contacts and deliver to each one of them the right message at the right time via email, SMS and Push notifications in applications and web browsers.
SMGS is a SMS enterprise-class gateway interacting with multivendor SMSCs through dedicated ESME protocols including MPP,CIMD2,UCP etc .., as well as multiple SMS/WAP push proxy gateways or SMS gateways via TCP/IP.
:closed_lock_with_key: Secure way to support send and receive SMS for android applications on single phone number base.
The MMS Compiler is a command-line tool which can be used to generate Multimedia Messaging Service (MMS) files based on a predefined set of input files: text, images, audio, video. This tool can be used in Windows or Linux (x86).
You can send and receive SMS messages from your Windows computer or Windows Tablet, just like you would from a mobile phone.
If your mobile can send and receive SMS, the SMS Proxy app can be used as an SMS Center (SMSC) proxy. Any SMPP compliant SMS client—Kannel, Apache Camel, Jasmin SMS, among many others—can send and receive SMS through this proxy.
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