# communitytoolkit/dotnet

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3,696 stars · 391 forks · C# · NOASSERTION

## Links

- GitHub: https://github.com/CommunityToolkit/dotnet
- Homepage: https://docs.microsoft.com/dotnet/communitytoolkit/?WT.mc_id=dotnet-0000-bramin
- awesome-repositories: https://awesome-repositories.com/repository/communitytoolkit-dotnet.md

## Topics

`csharp` `dotnet` `maui` `mvvm` `netcore` `netframework` `netstandard` `uno-platform` `uwp` `wpf`

## Description

This project is a general purpose library for the .NET ecosystem, providing a collection of reusable helper methods and APIs for common programming tasks. It encompasses a UI component library for cross-platform development, a toolkit for MVVM architecture, and specialized utilities for memory management and native interoperability.

The library distinguishes itself through high-performance memory abstractions, such as pooled buffers and contiguous two-dimensional memory spans, designed to reduce garbage collection pressure. It also provides native interop wrappers and bindings to facilitate data exchange between managed code and unmanaged platform SDKs.

The project covers a broad range of capabilities, including UI layout and animation primitives, hardware integration for camera and audio, and a comprehensive suite of data manipulation and diagnostic helpers. It further includes service container utilities for dependency injection and automation tools for native project compilation.

## Tags

### User Interface & Experience

- [Cross-Platform UI Frameworks](https://awesome-repositories.com/f/user-interface-experience/cross-platform-ui-frameworks.md) — Provides a framework for building consistent user interfaces and animations across multiple operating systems.
- [Event-to-Command Bindings](https://awesome-repositories.com/f/user-interface-experience/data-to-ui-bindings/event-to-command-bindings.md) — Links user interface control events to executable commands to trigger application business logic. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/behaviors/))
- [Input Timing Detection](https://awesome-repositories.com/f/user-interface-experience/interaction-detection/input-method-detection/input-timing-detection.md) — Triggers actions based on user typing patterns, such as when a character limit is reached or typing stops. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/behaviors/))
- [Native OS API Wrappers](https://awesome-repositories.com/f/user-interface-experience/native-os-api-wrappers.md) — Provides thin managed wrappers over native OS API surfaces for platform-specific functionality without full SDK bindings.
- [Input Behavior Configurations](https://awesome-repositories.com/f/user-interface-experience/text-input-fields/input-behavior-configurations.md) — Manages text entry behaviors including input masking, automatic focus selection, and field transitions. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/behaviors/))
- [Text Input Widgets](https://awesome-repositories.com/f/user-interface-experience/text-input-widgets.md) — Validates user-entered text against patterns for emails, URIs, and numeric values to ensure data integrity. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/behaviors/))
- [User Interaction Handling](https://awesome-repositories.com/f/user-interface-experience/user-interaction-handling.md) — Processes touch, click, and hover events on visual elements using custom interaction styles. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/behaviors/))
- [Non-Blocking Notifications](https://awesome-repositories.com/f/user-interface-experience/alerts-notifications/non-blocking-notifications.md) — Implements timed, non-blocking notifications that appear at the screen bottom and dismiss automatically. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/alerts/))
- [Cross-Platform UI Component Libraries](https://awesome-repositories.com/f/user-interface-experience/component-transitions/react-libraries/cross-platform-ui-libraries/cross-platform-ui-component-libraries.md) — Provides a suite of cross-platform layout controls, animations, and visual elements for consistent UI development.
- [Custom Animation Behaviors](https://awesome-repositories.com/f/user-interface-experience/custom-animation-behaviors.md) — Provides a mechanism to define new animation behaviors by extending base classes to modify visual properties. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/animations/))
- [Fluent Binding Syntax](https://awesome-repositories.com/f/user-interface-experience/data-to-ui-bindings/fluent-binding-syntax.md) — Uses a chainable, fluent syntax to connect UI elements to data sources and reduce code verbosity. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/markup/markup))
- [Deferred UI Initialization](https://awesome-repositories.com/f/user-interface-experience/deferred-ui-initialization.md) — Implements performance patterns that delay the creation and loading of UI views until they are required. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/views/))
- [Grid Layouts](https://awesome-repositories.com/f/user-interface-experience/layout-managers/grid-layouts.md) — Arranges elements in a grid where every row and column maintains an identical size. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/layouts/))
- [Layout State Sequencing](https://awesome-repositories.com/f/user-interface-experience/layout-state-sequencing.md) — Toggles the visibility and behavior of layout elements based on the current application state. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/layouts/))
- [Overlay Components](https://awesome-repositories.com/f/user-interface-experience/overlay-components.md) — Ships a set of floating UI elements including dialogs and popovers that appear above the main content. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/views/))
- [Reusable UI Components](https://awesome-repositories.com/f/user-interface-experience/reusable-ui-components.md) — Implements reusable animations, behaviors, and effects to ensure consistent UI patterns across the application. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/))
- [UI Docking Systems](https://awesome-repositories.com/f/user-interface-experience/ui-docking-systems.md) — Positions child elements against the edges of a container to create structured page shells. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/layouts/))
- [UI Value Converters](https://awesome-repositories.com/f/user-interface-experience/ui-value-converters.md) — Transforms data from logic controllers into display-ready formats via converters implemented directly in the UI definition. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/markup/markup))
- [View Property Extensions](https://awesome-repositories.com/f/user-interface-experience/view-property-extensions.md) — Sets layout, sizing, and accessibility properties using extension methods to improve code readability. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/markup/markup))

### Part of an Awesome List

- [.NET Implementations](https://awesome-repositories.com/f/awesome-lists/devtools/mvvm-frameworks/net-implementations.md) — Ships a set of interfaces and base classes for implementing the MVVM pattern within the .NET ecosystem.
- [UI Behaviors](https://awesome-repositories.com/f/awesome-lists/devtools/ui-behaviors.md) — Implements reusable UI logic by extending base classes and overriding lifecycle methods. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/behaviors/))
- [General Purpose Libraries](https://awesome-repositories.com/f/awesome-lists/productivity/general-purpose-libraries.md) — Provides a comprehensive collection of reusable helper methods and APIs for common programming tasks in .NET.
- [UI Transition Animations](https://awesome-repositories.com/f/awesome-lists/media/animation-transitions/ui-transition-animations.md) — Applies fluid motion and interpolations to UI elements and progress bars to enhance the visual experience. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/behaviors/))

### Development Tools & Productivity

- [GC Pressure Reduction Utilities](https://awesome-repositories.com/f/development-tools-productivity/memory-management-utilities/gc-pressure-reduction-utilities.md) — Offers specialized utilities for memory pooling and 2D spans to reduce garbage collection pressure.

### Operating Systems & Systems Programming

- [Native Interoperability Bindings](https://awesome-repositories.com/f/operating-systems-systems-programming/kernel-core-internals/system-programming-primitives/system-abstractions/native-interoperability-bindings.md) — Creates bindings to bridge high-level managed code with native system APIs and binary libraries. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/native-library-interop/get-started))
- [Managed-Unmanaged Data Exchanges](https://awesome-repositories.com/f/operating-systems-systems-programming/managed-unmanaged-data-exchanges.md) — Manages the exchange of data between managed code and unmanaged platform-specific libraries. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/))
- [Ownership-Based Memory Management](https://awesome-repositories.com/f/operating-systems-systems-programming/manual-memory-management/ownership-based-memory-management.md) — Implements memory management strategies that track the lifetime of buffers to ensure they are returned to a pool. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/high-performance/introduction))
- [Desktop Environment Components](https://awesome-repositories.com/f/operating-systems-systems-programming/desktop-environment-frameworks/desktop-environment-components.md) — Provides reusable controls designed to simplify the creation of common interface elements for desktop environments. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/windows/))
- [Pool Allocators](https://awesome-repositories.com/f/operating-systems-systems-programming/kernel-core-internals/process-and-memory-management/memory-management/allocation-strategies/dynamic-memory-allocation/custom-memory-allocators/memory-object-pools/pool-allocators.md) — Reuses existing string objects from a specialized pool to reduce heap allocations and memory pressure. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/high-performance/introduction))

### Programming Languages & Runtimes

- [Memory Buffer Wrapping](https://awesome-repositories.com/f/programming-languages-runtimes/c-based-embedding-apis/go-c-bridges/memory-buffer-wrapping.md) — Wraps native memory buffers in high-level types to allow two-dimensional access without copying data. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/high-performance/span2d))
- [Native Library Integrations](https://awesome-repositories.com/f/programming-languages-runtimes/language-interoperability/foreign-function-interfaces/native-library-integrations.md) — Provides tools and bindings to call native SDKs and unmanaged libraries from managed .NET code.
- [Native API Wrappers](https://awesome-repositories.com/f/programming-languages-runtimes/native-api-wrappers.md) — Provides thin wrapper abstractions to access specific native API surfaces without requiring full SDK bindings. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/native-library-interop/))
- [Managed-to-Native Function Calls](https://awesome-repositories.com/f/programming-languages-runtimes/native-call-synchronization/managed-to-native-function-calls.md) — Invokes unmanaged platform functions and SDKs from managed code using platform-specific library bindings.
- [Operation Accelerators](https://awesome-repositories.com/f/programming-languages-runtimes/operation-accelerators.md) — Accelerates memory and string processing using pooled buffers and specialized bit shift operations. ([source](https://cdn.jsdelivr.net/gh/communitytoolkit/dotnet@main/README.md))
- [Data Type Conversions](https://awesome-repositories.com/f/programming-languages-runtimes/data-type-conversions.md) — Transforms values between different primitive data types and notations using specialized helper utilities. ([source](https://learn.microsoft.com/dotnet/api/communitytoolkit.common))
- [Extension Methods](https://awesome-repositories.com/f/programming-languages-runtimes/extension-methods.md) — Utilizes extension methods to provide a fluent interface for configuring object properties and validating arguments.
- [String Instance Pooling](https://awesome-repositories.com/f/programming-languages-runtimes/string-instance-pooling.md) — Maintains a pool of frequently used string objects to minimize heap allocations during repetitive text operations.
- [String Manipulations](https://awesome-repositories.com/f/programming-languages-runtimes/string-manipulations.md) — Handles strings and their various representations efficiently through a set of helper processing functions. ([source](https://learn.microsoft.com/dotnet/api/communitytoolkit.common))

### Security & Cryptography

- [Safe Memory Manipulation](https://awesome-repositories.com/f/security-cryptography/safe-memory-manipulation.md) — Increases execution speed by using memory-safe techniques to handle buffers and spans. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/))

### Software Engineering & Architecture

- [Contiguous Memory Buffers](https://awesome-repositories.com/f/software-engineering-architecture/block-based-data-models/data-block-memory-management/contiguous-memory-buffers.md) — Provides data structures that store elements in flat, contiguous memory blocks to optimize cache locality and avoid nested array overhead. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/high-performance/introduction))
- [Memory Spans](https://awesome-repositories.com/f/software-engineering-architecture/block-based-data-models/data-block-memory-management/contiguous-memory-buffers/memory-spans.md) — Provides type-safe structures that offer high-performance views into contiguous two-dimensional regions of memory. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/high-performance/memory2d))
- [Two-Dimensional Memory Spans](https://awesome-repositories.com/f/software-engineering-architecture/block-based-data-models/data-block-memory-management/contiguous-memory-buffers/two-dimensional-memory-spans.md) — Implements high-performance contiguous two-dimensional memory spans to reduce the overhead of nested arrays.
- [Expression-Based Exception Helpers](https://awesome-repositories.com/f/software-engineering-architecture/error-handling-strategies/monadic-error-handling/throw-based-error-handlers/expression-based-exception-helpers.md) — Includes helper methods to reduce code size by throwing exceptions within expressions. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/diagnostics/throwhelper))
- [Argument Validity Verifications](https://awesome-repositories.com/f/software-engineering-architecture/error-handling/exception-logic-structures/exception-handling-strategies/argument-validity-verifications.md) — Provides mechanisms to verify method arguments and throw exceptions on invalid input. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/diagnostics/introduction))
- [Inline Argument Validators](https://awesome-repositories.com/f/software-engineering-architecture/function-argument-validation/build-argument-validation/inline-argument-validators.md) — Provides concise helper methods for validating method arguments to reduce boilerplate and prevent coding mistakes. ([source](https://cdn.jsdelivr.net/gh/communitytoolkit/dotnet@main/README.md))
- [Interface-Based Component Decoupling](https://awesome-repositories.com/f/software-engineering-architecture/interface-based-component-decoupling.md) — Employs interface-based decoupling to separate business logic from UI frameworks for data binding and commands.
- [Reusable Buffer Pools](https://awesome-repositories.com/f/software-engineering-architecture/memory-buffering/reusable-buffer-pools.md) — Reduces garbage collection frequency by renting and reusing memory blocks from a shared buffer pool.
- [MVVM Architectures](https://awesome-repositories.com/f/software-engineering-architecture/mvvm-architectures.md) — Implements the MVVM architectural pattern to separate user interface layout from application business logic. ([source](https://cdn.jsdelivr.net/gh/communitytoolkit/dotnet@main/README.md))
- [MVVM Patterns](https://awesome-repositories.com/f/software-engineering-architecture/mvvm-patterns.md) — Uses standard interfaces to disconnect business logic from user interface frameworks across different runtimes. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/))
- [Pooled Buffer Management](https://awesome-repositories.com/f/software-engineering-architecture/performance-optimization-resources/memory-management/pooled-buffer-management.md) — Optimizes performance using pooled buffers and 2D memory wrappers to reduce garbage collection pressure.
- [Runtime Parameter Validations](https://awesome-repositories.com/f/software-engineering-architecture/runtime-parameter-validations.md) — Provides utilities to check input parameters against specific conditions to prevent invalid application states. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/diagnostics/guard))
- [Concurrent Workload Coordination](https://awesome-repositories.com/f/software-engineering-architecture/concurrent-workload-coordination.md) — Coordinates the execution of high-volume asynchronous workloads using extended task-based operations. ([source](https://learn.microsoft.com/dotnet/api/communitytoolkit.common))
- [Parallel Processing Utilities](https://awesome-repositories.com/f/software-engineering-architecture/parallel-processing-utilities.md) — Provides utility helpers to coordinate multi-threaded workloads and parallel tasks for optimized speed. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/high-performance/introduction))
- [Logic-to-View Mapping](https://awesome-repositories.com/f/software-engineering-architecture/tree-traversal-algorithms/tree-based-hierarchical-navigation/navigation-state-trees/hierarchical-view-navigation/logic-to-view-mapping.md) — Automates the mapping and instantiation of native views for their corresponding logic controllers.
- [View-ViewModel Linking](https://awesome-repositories.com/f/software-engineering-architecture/view-model-architectures/model-view-viewmodel/view-viewmodel-linking.md) — Provides mechanisms for associating specific views with their corresponding logic controllers within a service container. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/extensions/))

### System Administration & Monitoring

- [Native Library Wrapper Generators](https://awesome-repositories.com/f/system-administration-monitoring/automatic-tracing-instrumentation/java-integrations/native-library-wrapper-generators.md) — Provides tools to generate and manage native library wrappers for integrating platform-specific SDKs into managed code.
- [Application Performance Monitoring](https://awesome-repositories.com/f/system-administration-monitoring/application-performance-monitoring.md) — Diagnoses memory usage, execution speed, and resource bottlenecks to improve overall application efficiency. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/))

### Web Development

- [Development Helpers](https://awesome-repositories.com/f/web-development/asp-net-core-application-frameworks/development-helpers.md) — Offers a comprehensive set of static helper utilities for argument validation, data conversion, and task coordination.
- [Declarative UI Composition](https://awesome-repositories.com/f/web-development/declarative-ui-composition.md) — Constructs declarative interfaces using a fluent API to decouple views from business logic. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/markup/markup))

### Data & Databases

- [UI Rendering Format Conversions](https://awesome-repositories.com/f/data-databases/data-format-translators/image-format-translators/ui-rendering-format-conversions.md) — Transforms raw data types, such as byte arrays, into UI-compatible rendering objects like images. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/converters/))
- [Array Manipulation Utilities](https://awesome-repositories.com/f/data-databases/data-processing-pipelines/data-transformation/array-tensor-manipulation/array-manipulation-utilities.md) — Provides built-in utility methods for performing common operations and transformations on arrays. ([source](https://learn.microsoft.com/dotnet/api/communitytoolkit.common))
- [Global String Caching](https://awesome-repositories.com/f/data-databases/global-string-caching.md) — Caches string objects created from buffers in a shared pool to minimize repetitive memory allocations. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/high-performance/stringpool))
- [UI Binding Converters](https://awesome-repositories.com/f/data-databases/type-mapping-utilities/type-mapping-converters/automatic-type-converters/configuration-value-type-converters/safe-type-converters/ui-binding-converters.md) — Provides type-safe converters with configurable defaults to transform data types for UI bindings. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/converters/))

### Mobile Development

- [Device Hardware Integrations](https://awesome-repositories.com/f/mobile-development/device-hardware-integrations.md) — Integrates .NET applications with native device hardware such as cameras, microphones, and file systems.
- [Media Captures](https://awesome-repositories.com/f/mobile-development/mobile-capabilities/camera-integration/camera-feed-capture/media-captures.md) — Provides capabilities to connect to device cameras for live previews and capturing images or video. ([source](https://learn.microsoft.com/dotnet/communitytoolkit/maui/views/))