Functional programming in Dart and Flutter. All the main functional programming types and patterns fully documented, tested, and with examples.

Superpowers for Dart. Collection of useful static extension methods.

Supercharged brings all the comfort features from languages like Kotlin to all Flutter developers.

Value types with builders, Dart classes as enums, and serialization. This library is the runtime dependency.

Quiver is a set of utility libraries for Dart that makes using many Dart libraries easier and more convenient, or adds additional functionality.

Utility functions and classes related to the 'dart:async' library.

Lock mechanism to prevent concurrent access to asynchronous code.

A library providing a tuple data structure.

FlutterIsolate provides a way to launch dart isolate in flutter that work with flutter plugins.

An extremely easy-to-use method call debouncer package for Dart/Flutter.

The worker_manager allows you to manage CPU-intensive calculations across isolates

Immutable lists, sets, maps, and multimaps, which are as fast as their native mutable counterparts. Extension methods and comparators for native Dart collections.

Common util classes for Strings, Dates, X509, PKCS, Cryptographie and more.

Immutable collections based on the SDK collections. Each SDK collection class is split into a new immutable collection class and a corresponding mutable builder class.

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

A collection of utilities to transform and manipulate streams.

A fluent, builder-based library for generating valid Dart code

A flexible Dart bytecode compiler and interpreter written in Dart, enabling code push for AOT Dart apps.

Kartal is an extension package for easy to use at app development time. You can access more features with primitive variables(context, string etc.).

Multithreading and worker thread pool for Dart / Flutter, to offload CPU-bound and heavy I/O tasks to Isolate or Web Worker threads.

Reflection support based on code generation, using 'capabilities' to specify which operations to support, on which objects.

This project is a port of kotlin-stdlib for Dart/Flutter projects. It includes collections (KtList, KtMap, KtSet) with 150+ methods as well as other useful packages.

Dart common utils library.Contain DateUtil, EncryptUtil, JsonUtil, LogUtil, MoneyUtil, NumUtil, ObjectUtil, RegexUtil, TextUtil, TimelineUtil, TimerUtil.

Error handler library for type-safe and easy work with errors on Dart and Flutter. Either is an alternative to Nullable value and Exceptions.

Multiple results for dart. Inspired by dartz's Either and Kotlin's sealed classes

The power of lazy-evaluated enumerables in your hands! (A port of functional LINQ from the .NET library.)

A flutter package for managing different configurations and making them available everythere inside the app.

Result for dart. It is an implementation based on Kotlin Result and Swift Result.

Chaquopy plugin which uses chaquopy sdk to run the python script on flutter apps.

Queue up futures from multiple sources and await their return anywhere in your code.

Mutual exclusion with implementation of normal and read-write mutex

Manage a finite pool of resources. Useful for controlling concurrent file system or network requests.

A Dart library containing convenient extension methods on basic Dart objects.

A dart package aiming to provide useful extensions and helper functions to ease and speed up development.

Asynchronous tasks and parallel executors (similar to thread pools) for all Dart platforms (transparently), without having to deal with 'Isolate' complexity.

Annotation for generating 'copyWith' extensions code using 'copy_with_extension_gen'.

Effortless isolates abstraction layer with support for inter-isolate communication.

Create multiple long-lived isolates for a function (keep it active to send and receive data), supports Worker and WASM on the Web.

FlutterMoneyFormatter is a Flutter extension to formatting various types of currencies according to the characteristics you like, without having to be tied to any localization.

Flutter common utils library. SpUtil, ScreenUtil, WidgetUtil, DirectoryUtil, ImageUtil. SharedPreferences Util. Screen info & Screen adaptation. get image size.

Set of method-extensions for dart that makes using framework in a much easier and clean way also adds additional functionality.

A singleton isolated worker for Flutter (Isolate) and Web (Web Worker).

Useful and easy to use extensions, helper classes and widgets to create Flutter apps easier.

To display data in a width-limited component, this function will smartly help you to convert number to a certain chart length. To be simple, plain, flexible and accurate.

Agents are state that lives on a background isolate.

Dart implementation of Conflict-free Replicated Data Types (CRDTs).

More Dart — Literally. Collecting, iterating, caching, mathematics, matching, ordering, and formatting easily.

A debouncer and throttle that works with Futures, Streams, and callbacks.

Flutter Future and Stream builder with less boilerplate and better error handling.

Easy to use pool of concurrent workers with compute() like API.

Library for 32- and 64-bit signed fixed-width integers with consistent behavior between native and JS runtimes.

Generic directed graph and weighted directed graph with algorithms enabling sorting and topological ordering of vertices.

Extended capabilities for collections. It's a bunch of shortcuts to avoid unnecesary boilerplate work with collections.

An abstraction of the isolate providing an easy way to work with different threads

Utility functions and classes related to the dart:typed_data library.

Hetu is a lightweight scripting language for embedding in Flutter apps.

A pure dart package with collection of Nepali Utilities like Date converter, Date formatter, DateTime, Nepali Numbers, Nepali Unicode, Nepali Moments and many more.

Insert an element between each element of an Iterable or List.

Provides Dart bindings and utility functions for core Node.js modules.

Definitions of Rust-like types, Option and Result, to promote safer programming.

Create lightweight custom Events, that allow interested subscribers to be notified that something has happened.

Reactive event handler wrapper class inspired by ReactiveUI.

Utilities for working with chunked streams, such as byte streams which is often given as a stream of byte chunks with type Stream<List<int>>

A flutter plugin provides the best way to exit the app doesn't call exit(0) in dart code.

Sealed Unions for Dart

Set of most useful Dart extensions for daily use that increases development velocity.

Package including lot helpers for easy developing on dart language

This package offers a collection of Dart utilities, tools for converting dynamic objects to various types, and extending core Dart classes with extensions.

A map of objects which can be sorted and filtered on both their key and value

A cancellable event emitter which supports context based event driven programming.

Dart extension methods for Iterable and List. You can easily sum, count elements and many more.

The simple library for Error Handling with functionnal programming concept

Contain "throttling" and "debouncing" async helper classes with listeners

An implementation of the Optional type, which helps avoid dealing with null references

A package for stack data structure. have the push, pop, size, length, and top functionalities.

The power of Flutter's compute function, but using a long lived isolate.

Dartlin is a helper library that provides readable methods with which you can write cleaner looking code.

Result Type for Dart.

Supercharged brings all the comfort features from languages like Kotlin to all Dart developers.

flutter_helper_kit helps to improve less code extensions and widgets.

A simplified mixin for launching Dart isolates in Flutter, seamlessly working with Flutter plugins

A simple implementation of an Ordered Set for Dart that allows multiple items with the same priority.

Dart library for running asynchronous functions on time. Useful for load balancing, rate limiting, lazy execution.

A Flutter package which allows you to work with MethodChannels in Isolate and provides simplified Isolate and Thread Pool API.

Just like a thread pool, but with isolates. The package allows creating up-and-running isolates that can accept requests and do heavy lifting outside main isolate

Sort lists of complex objects with ease. Simple but powerful extension method.

Actor framework for Dart. This package makes it easier to work with isolates, create clusters of isolates.

A util library that contains various extensions for strings, lists, maps, numbers and more.

A simple package for tracking the performance of synchronous and asynchronous actions.

Wrapper that improves readability and solves the common refiring FutureBuilder problem

File download manager based on reusable isolates with progress, cancellation, pause and resume

Actors Model library for Dart. It is a thin wrapper around Dart's 'Isolate' that makes them much easier to use.

Self-Balancing Binary Search Tree for Dart. BST is implemented as Iterable. There are many operations such as greaterThen, lessThenOrEqual (create sublist), max , min etc.

A fast and powerful Flutter package helps you sort a list of objects by one or more properties at the same time.

Executes async tasks with a configurable maximum concurrency and rate.

An utility package for providing static extension methods familiar in Kotlin.

Dart library with match annotation for generating custom match extensions and extension methods for dart builtin types

Give your types superpowers and spice up your generics. Make types great again.

IsolateImageCompress is a package to compress and resize the images in isolate (IsolateFlutter).

Easy async task cancellation for tasks using cancellation tokens in Dart.

Extensions for different types similar to kotlin. Methods for the next set of types: String, bool, Iterable, List. Also contains some global extensions and class Pair

Multi type supported platform selector to write functional programming.

A dart package that implement a lot of util functions for a Map

A package helps to cancel StreamSubscriptions and close Sinks.

Write native code using Dart. This package liberates you from native code and low performance channel.

extensions and helpers for dart to save time , make the code more readable and smaller

Utility functions and classes to work with byte buffers and streams efficiently, to read and write binary data formats.

A Dart package that provides handy extensions and helper functions, designed to simplify and speed up development, making coding more efficient and streamlined.

Byte flow is a pure dart , dependency less library that provides common utility functions for lists and strings

Dart Useful Tools - collections, math, date, uri, json, events, resources, regexp, etc...

A set of useful extension methods for Dart collections, designed for the purpose of making it easier to write functional-programming-styled, concise Dart code.

Stilo is a utility-first Flutter library that gives you all of the building constants you need to build designs without defining common styles

FSM2 provides an implementation of the core design aspects of the UML state diagrams allowing both declarative transitions and dynamic transitions along with Guard Conditions.

StreamsChannel is inspired from EventChannel. It allows to create streams of events between Flutter and platform side.

Either monad for Dart language and Flutter framework. Type-safe error handling, railway oriented programming. Supports Monad comprehensions, async map, async flatMap.

Simple package making it easy to dispose (aka cancel, aka close) your objects.

Reactive Extensions Library for Dart providing an API for asynchronous programming with observable streams.

R-tree implementation to index and query two-dimensional data

Simple file-based non-volatile persistent queue implementation for flutter. Ideal for in-device sequential buffers that must persist between app runs.

Yet another variation of the good old Maybe monad with eager execution written in Dart.

A collection of Dart/Flutter Extension functions and Helper functions for faster development. It absolutely makes for codes re-usability and easy coding reading.

Observe value changes using a Future, Stream, and/or a callback.

Combine multiple Maps into one. Equivalent to Object.assign in JS.

Return a result ErrorOr with either a value T or an error Object.

A Dart Circular Buffer container based on List with a fixed capacity.

An inherited widget for Streams, which updates its dependencies when the stream emits data.

Subscription Holder holds StreamSubscriptions and dispose all conveniently.

OvO is a Dart-first schema declaration and validation library.

A library for applying a series of migrations to update old versions of data structures to the most recent one.

A versatile Dart algorithms library providing implementations of various algorithms..

Extension for Hetu Script. Makes it easier to use Hetu Script in Flutter apps.

Extensions Pro simplifies your development process, making it faster and more efficient.

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

Collections and utilities functions and classes related to collections.

A class for tracking operations and waiting until all of them have completed

Extensions for Hetu Script dart package. Includes file system resource context helper class and command line REPL for Hetu Script.

Functional Programming in Dart. Purify your Dart code using efficient immutable data structures, monads, lenses and other FP tools.