Production-Ready Sample Apps You Can Customize
Download complete source code for mesibo Android, iOS, and JavaScript apps — messaging, calls, conferencing, push notifications, user management, contact sync, and more. Get started in minutes. Customize, rebrand, and deploy without restrictions.
Open-Source Messenger Apps
Ready-to-customize messenger apps for Android and iOS. Demonstrates how to use mesibo APIs in Java, Kotlin, Swift, and Objective-C to build powerful apps fast.
One-on-one messaging and Group chat
Rich messaging with text, pictures, video, audio, and other files. Location sharing, read receipts, and more.
Video and Voice Calls
High-quality, end-to-end encrypted one-to-one video and voice calls with no per-minute charges.
Video and Audio Conferencing
Multi-participant video and voice conferencing with screen sharing and per-participant controls.
Presence, Message Status & Typing Indicators
Real-time online status, sent/delivered/read receipts, and typing indicators.
Push Notifications
Android (FCM) and Apple (APNs) push notifications to deliver messages and calls even when the app is in the background.
Android
Full messenger source code for Android in Java and Kotlin. Build with the latest Android Studio.
iOS
Full messenger source code for iPhone in Swift and Objective-C. Build with the latest Xcode.
Open-Source Web Apps
Full-featured web apps offering all the capabilities of the mobile apps. Download, integrate with your website or web app, and customise freely.
Messenger
A full-featured web messenger with one-to-one messaging, group messaging, video and voice calls, online status, typing indicators, and more. Download and customise to meet your requirements.
Conferencing
A Zoom-like video conferencing app with group voice and video calls, screen sharing, and collaborative whiteboard. Supports multi-resolution conferences: Standard, HD, FHD, UHD, and 4K.
Get started in just 5 minutes
Follow our step-by-step tutorial to add messaging, voice, and video to your apps — whether you're building for Android, iOS, Web, Python, or C++. It's faster than you think.
No payment or sign-up details required. mesibo is free until you launch commercially. Educational institutions, students, research organizations, and climate-focused non-profits get full access free permanently — our commitment to society and the environment.