This repository contains the class libraries for .NET Core. This is a work in progress, and does not currently contain the entire set of libraries that we plan on open sourcing. Make sure to watch this repository in order to be notified as we make changes to and expand it. Check out this blog post that explains our OSS strategy and road map in more detail.
Today, the repository contains the following components:
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Microsoft.Win32.Primitives. Provides common types supporting the implementation of Win32-based libraries.
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Microsoft.Win32.Registry. Provides support for accessing and modifying the Windows Registry.
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System.Collections.Concurrent. Provides a set of thread-safe collection types, instances of which may be used concurrently from multiple threads.
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System.Collections.Immutable. Provides a set of immutable collection types that make it easy to keep mutable state under control without sacrificing performance or memory footprint. You can read more about them on MSDN.
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System.Collections.NonGeneric. Provides classes that define various collections of objects, such as ArrayList, Hashtable, SortedList, Stack, and Queue. These collections exist in .NET Core primarily for backwards compatibility and generally should be avoided when writing new code.
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System.Collections.Specialized. Provides classes that define specialized collections of objects, for example, a linked list dictionary, a bit vector, and collections that contain only strings. These collections exist in .NET Core primarily for backwards compatibility and generally should be avoided when writing new code.
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System.ComponentModel. Provides types used to implement the run-time and design-time behavior of components and controls.
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System.Console. Provides the Console class, which enables access to the standard input, output, and error streams for console-based applications.
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System.Diagnostics.FileVersionInfo. Provides useful functionality for querying and examining the version information of physical files on disk.
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System.Diagnostics.Process. Provides access to local and remote processes, and enables the starting and stopping of local system processes.
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System.Globalization.Extensions. Provides classes for performing unicode string normalization, culture-specific string comparisons and support the use of non-ASCII characters for Internet domain names.
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System.IO.FileSystem. Provides access to the file system, including support for enumerating and manipulating file system objects and for reading and writing files via streams.
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System.IO.FileSystem.DriveInfo. Provides the System.IO.DriveInfo class, which enables developers to query local drive information.
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System.IO.MemoryMappedFiles. Provides access to memory-mapped files, enabling code to read and write files by reading and writing memory.
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System.IO.Pipes. Provides types that enable a means for interprocess communication through anonymous and/or named pipes.
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System.IO.UnmanagedMemoryStream. Provides a stream for accessing unmanaged memory as represented by a pointer, as well as an accessor for reading and writing primitive types from unmanaged memory.
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System.Linq.Parallel. Provides a parallelized implementation of LINQ to Objects. "Parallel LINQ" (PLINQ) implements the full set of LINQ standard query operators as well as additional operators specific to parallel operations.
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System.Numerics.Vectors. Provides a set of basic vector types that leverage single instruction, multiple data (SIMD) CPU instructions. See our recent announcements for more details.
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System.Reflection.Metadata. Provides a highly-tuned, low-level ECMA-335 metadata reader. This is the same reader used by "Roslyn" C# and Visual Basic compilers to parse assemblies.
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System.Text.Encoding.CodePages. Provides the ability to access existing encoding types for string manipulation across common cultural standards, as well as support to create custom Encoding Providers.
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System.Text.RegularExpressions. Provides a regular expression engine. The types in this library provide useful functionality for running common operations using regular expressions.
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System.Threading.Tasks.Dataflow. Provides a set of types that support actor/agent-oriented designs through primitives for in-process message passing, dataflow, and pipelining. "TPL Dataflow" builds upon the APIs and scheduling infrastructure provided by the Task Parallel Library (TPL), and integrates with the language support for asynchrony provided by C#, Visual Basic, and F#.
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System.Xml. Provides DOM APIs such as the
XDocumentandXmlDocumenttypes, XLinq, and the corresponding XPath extension methods.
More libraries are coming soon. Stay tuned!
Some of the best ways to contribute are to try things out, file bugs, and join in design conversations.
Want to get more familiar with what's going on in the code?
Looking for something to work on? The list of up-for-grabs issues is a great place to start.
You are also encouraged to start a discussion by filing an issue or creating a gist. See the contributing guides for more details.
You can discuss .NET OSS more generally in the .NET Foundation forums.
For an overview of all the .NET related projects, have a look at the .NET home repository.
This project is licensed under the MIT license.
This project is part of the .NET Foundation.