Dart & Flutter
packages

Ed25519 signature implementation for Dart, ported from Go cryptography and compatible with RFC 8032 keys.

A more expressive way to return error or success values via the type system

A Dart package that helps to implement value based equality without needing to explicitly override == and hashCode.

Dart version of the event emitter.

flutter_i18n example app, ready to use

A convention and utilities for package extension discovery.

Fake asynchronous events such as timers and microtasks for deterministic testing.

A flutter package to cache network image easily.You can add beautiful loaders, percentage indicators and error builder.

A front matter parser that extracts YAML metadata from the start of a file or string.

Analyzer plugin that enforces Feature-Sliced Design (layers, slices, public APIs and a pure domain) in Dart and Flutter projects.

Next-gen Ferry GraphQL code generator

Utilities for working with Foreign Function Interface (FFI) code.

Allocation tracking and leak detection for Dart FFI code.

A pluggable, mockable file system abstraction for Dart. Supports local file system access, as well as in-memory file systems, record-replay file systems, and chroot file systems.

A package that allows you to use a native file explorer to pick single or multiple absolute file paths, with extension filtering support.

Darwin (iOS and macOS) implementation of the file_picker plugin, supporting native file picking, saving, and directory selection.

Linux implementation of the file_picker plugin using GTK3 and XDG Desktop Portals for native file and directory picking.

A common platform interface for the file_picker plugin, defining the shared API surface and data contracts across platforms.

Web platform implementation of the file_picker plugin, providing browser file selection, file streaming, and file loading.

Liunx implementation of the file_selector plugin.