flyerhq/flutter_chat_ui

Free and open-source chat SDK. Build fast, real-time apps and generative AI agents with a high-performance, customizable, cross-platform UI.

2,337

stars

583

commits

Dart

primary language

Sep 12, 2026

updated

flyer.chat
android
chat
dart
flutter
ios
ui
widget

README

Flyer Chat 💬

Ship faster with a go-to chat SDK for Flutter

Pub Version Pub Likes Stars melos

Flyer Chat is an open-source chat UI package for Flutter applications, designed for performance, customization, and ease of integration.

✨ Features

  • 🔄 Backend-agnostic: Connect to any backend service.
  • 🧬 Adaptable: Perfect for real-time messengers, generative AI agents and LLM-based assistants, support platforms, and beyond.
  • 🎨 Highly Customizable: Tailor the UI with extensive theme options and builder functions.
  • 🧩 Modular: Pick and choose the features you want. You can change any part of the UI or swap it with your own custom implementation.
  • Performance Optimized: Built for speed and smooth animations.
  • 🌐 Cross-Platform: Supports iOS, Android, Web, macOS, Windows, and Linux.
  • 📜 Open Source: Free to use under the Apache 2.0 License.

🚀 Installation

Add the package to your pubspec.yaml:

dependencies:
  flutter_chat_core: ^2.0.0
  flutter_chat_ui: ^2.0.0

Then, import and use the Chat widget.

📚 Documentation & Examples

For detailed usage, customization options, different message types, controllers, and more complex scenarios, please refer to the full documentation:

➡️ flyer.chat/docs/flutter/introduction ⬅️

Explore the comprehensive example application to see various features and customizations in action.

📦 Packages

The project is structured as a monorepo managed by Melos 💙.

Core Packages

These are the foundational packages included when you install flutter_chat_ui:

  • flutter_chat_ui: The main UI package.
  • flutter_chat_core: Contains core models, controllers, theming, and utilities used across the ecosystem.
  • cross_cache: Provides a cross-platform (IO & Web) image caching solution.

Optional Message Widget Packages

Opinionated packages for rendering different message types. You can also build your own!

🤝 Contributing

Contributions are welcome! Please see CONTRIBUTING.md for guidelines on how to contribute.

📜 License

Licensed under the Apache License, Version 2.0. See the LICENSE file for details.

Contributors

(top 30 of 73)

demchenkoalex

435 commits

Voidozzer

21 commits

felixgabler

21 commits

nicolasbraun

16 commits

flyerhq/flutter_chat_ui

Free and open-source chat SDK. Build fast, real-time apps and generative AI agents with a high-performance, customizable, cross-platform UI.

2,337

stars

583

commits

Dart

primary language

Sep 12, 2026

updated

flyer.chat
android
chat
dart
flutter
ios
ui
widget

README

Flyer Chat 💬

Ship faster with a go-to chat SDK for Flutter

Pub Version Pub Likes Stars melos

Flyer Chat is an open-source chat UI package for Flutter applications, designed for performance, customization, and ease of integration.

✨ Features

  • 🔄 Backend-agnostic: Connect to any backend service.
  • 🧬 Adaptable: Perfect for real-time messengers, generative AI agents and LLM-based assistants, support platforms, and beyond.
  • 🎨 Highly Customizable: Tailor the UI with extensive theme options and builder functions.
  • 🧩 Modular: Pick and choose the features you want. You can change any part of the UI or swap it with your own custom implementation.
  • Performance Optimized: Built for speed and smooth animations.
  • 🌐 Cross-Platform: Supports iOS, Android, Web, macOS, Windows, and Linux.
  • 📜 Open Source: Free to use under the Apache 2.0 License.

🚀 Installation

Add the package to your pubspec.yaml:

dependencies:
  flutter_chat_core: ^2.0.0
  flutter_chat_ui: ^2.0.0

Then, import and use the Chat widget.

📚 Documentation & Examples

For detailed usage, customization options, different message types, controllers, and more complex scenarios, please refer to the full documentation:

➡️ flyer.chat/docs/flutter/introduction ⬅️

Explore the comprehensive example application to see various features and customizations in action.

📦 Packages

The project is structured as a monorepo managed by Melos 💙.

Core Packages

These are the foundational packages included when you install flutter_chat_ui:

  • flutter_chat_ui: The main UI package.
  • flutter_chat_core: Contains core models, controllers, theming, and utilities used across the ecosystem.
  • cross_cache: Provides a cross-platform (IO & Web) image caching solution.

Optional Message Widget Packages

Opinionated packages for rendering different message types. You can also build your own!

🤝 Contributing

Contributions are welcome! Please see CONTRIBUTING.md for guidelines on how to contribute.

📜 License

Licensed under the Apache License, Version 2.0. See the LICENSE file for details.

Contributors

(top 30 of 73)

demchenkoalex

435 commits

Voidozzer

21 commits

felixgabler

21 commits

nicolasbraun

16 commits

Languages

Dart

100.0%