FL Chart is a highly customizable Flutter chart library that supports Line Chart, Bar Chart, Pie Chart, Scatter Chart, Radar Chart, and Candlestick Chart.
The library addresses the need for flexible data visualization in Flutter applications by providing native chart widgets that can be extensively customized. Each chart type is built as a Flutter widget, allowing developers to embed charts directly into their app layouts and control appearance through configuration objects rather than external rendering engines.
FL Chart suits projects requiring rich charting capabilities within Flutter mobile or web applications. It works well for dashboards, financial applications, analytics interfaces, and any app displaying time-series or categorical data. The library's strength lies in its customization depth—developers can control colors, animations, labels, axes, and interactive behavior at a granular level. Teams building cross-platform Flutter apps will find it more integrated than web-based charting solutions, since it renders natively within the Flutter framework.
The project maintains active engagement with its user base through documentation and example code. Development shows responsiveness to user needs through ongoing refinement of existing chart types and addition of new ones like Candlestick Chart. The codebase receives regular updates addressing edge cases and expanding customization options. The maintainer actively solicits community support through sponsorship, indicating sustained commitment to the project's evolution.