Reliable, Free Messaging Systemwith Guaranteed Delivery
Send unlimited messages to anyone in your contact book instantly and securely using Wi-Fi, 4G, 3G, 2G, or EDGE connections, all at no cost.
- Send messages to any contact from your phone book for free
- Guaranteed message delivery even if phones go offline or internet is poor
- Live demo available to see the system’s stability
Powerful & Open Source Backend
Experience high performance with our robust backend infrastructure:
- Node.js, MongoDB, and Redis for optimal speed and reliability
- Admin panel demo accessible online
- Backend code is 100% open source
- Supports routing up to 1000 messages per second on a $5 server
- Uses Redis for efficient message routing
- Twilio integration for SMS-based user registration
Key Features & Benefits
Enjoy a feature-rich messaging experience:
- Group chat functionality for conversations with multiple contacts
- Customizable avatars, nicknames, and notification sounds
- Simple interface with no confusing buttons
- Phone number registration without passwords or PINs
- Clean, easy-to-reskin code (customize logos, colors, sounds)
- AdMob ready for monetization
- Fault-tolerant design for maximum uptime
- Superior TCP connectivity algorithm
- Improved registration process
- Avatar images visible in chat windows
Support & Installation
Need help getting started? We offer installation support. If you prefer to install it yourself, ensure you’re familiar with Node.js, MongoDB, and Redis.
Backend technologies: MongoDB, Redis, NodeJS, Twilio
Admin panel demo: http://chat.kenzap.com:3000/dashboard/
Contact: [email protected]



