Flutter is an open-source cross-platform toolkit created by google to create native interfaces for Android and iOS.
The advantages of Flutter include:
1) Common UI and Business Logic across various platforms
2) Less time spent on Code Development
3) Quicker Time-to-Market
4) Performance on par with Native Apps
5) Wide range of UIs, including Custom and animated with varied complexity level.
6) Unique rendering engine for each browser
7) Implementation based on platform-specific logic
8) Has the potential to work beyond just mobile technology