Mesibo - Open Source Messenger Mod Apk v1.9.27  

Important Note: We do not send OTP. You need to log in to your mesibo account and get OTP from the mesibo console.

Mesibo Messenger is an open-source app with real-time messaging, voice and video call features. The entire source code this application is available on GitHub https://github.com/mesibo/messenger-app-android

Features
One-on-one messaging and Group chat
High-quality voice and video calling and conferencing
Rich messaging (text, picture, video, audio, other files)
Encryption
Location sharing
Message status and typing indicators
Online status (presence) and real-time profile update
Push notifications
The latest versions are also available through Google Play Store and Apple App Store:

Source code:
https://github.com/mesibo/messenger-app-android

Build Instructions and Tutorial:
https://mesibo.com/documentation/tutorials/