A free program for Android, by Share File Technologies by 090 Bravo.

Messenger Lite is the best and easiest messaging app for messaging on any Android device. No internet connection is required. Messages are free of cost. Messenger Lite supports MMS, SMS, and voice messaging. Messenger Lite is simple to use. The app automatically detects incoming messages. Messenger Lite is secure and privacy oriented. It does not store your information. The application does not collect data about you.

How do I use this app?

You can send a message with a specific contact from your contact list. A quick button is present for choosing contacts. Click the “Choose Contact” button and start typing the message. Type in the message text, then click the “Send” button to send the message to the contact.