System.Net.Http.Json by: Microsoft

Provides extension methods for System.Net.Http.HttpClient and System.Net.Http.HttpContent that perform automatic serialization and deserialization using System.Text.Json. Commonly Used Types: System.Net.Http.Json.HttpClientJsonExtensions System.Net.Http.Json.HttpContentJsonExtensions System.Net.Http.Json.JsonContent

System.Net.ServerSentEvents by: Microsoft

Provides a simple parser for server-sent events (SSE). Commonly Used Types: System.Net.ServerSentEvents.SseParser

System.Reactive by: .NET Foundation and Contributors

Reactive Extensions (Rx) for .NET

System.Reflection.Context by: Microsoft

Provides classes that enable customized reflection contexts. Commonly Used Types: System.Reflection.Context.CustomReflectionContext

System.Reflection.Metadata by: Microsoft

This packages provides a low-level .NET (ECMA-335) metadata reader and writer. It's geared for performance and is the ideal choice for building higher-level libraries that intend to provide their own object model, such as compilers. Commonly Used Types: System.Reflection.Metadata.MetadataReader System.Reflection.PortableExecutable.PEReader System.Reflection.Metadata.Ecma335.MetadataBuilder System.Reflection.PortableExecutable.PEBuilder System.Reflection.PortableExecutable.ManagedPEBuilder When using NuGet 3.x this package requires at least version 3.4.

System.Reflection.MetadataLoadContext by: Microsoft

Provides read-only reflection on assemblies in an isolated context with support for assemblies that have different architectures and runtimes. Commonly Used Types: System.Reflection.MetadataLoadContext System.Reflection.MetadataAssemblyResolver

System.Runtime.Caching by: Microsoft

Provides classes to use caching facilities. Commonly Used Types: System.Runtime.Caching.CacheEntryChangeMonitor System.Runtime.Caching.CacheEntryRemovedArguments System.Runtime.Caching.CacheEntryUpdateArguments System.Runtime.Caching.CacheItem System.Runtime.Caching.CacheItemPolicy System.Runtime.Caching.ChangeMonitor System.Runtime.Caching.FileChangeMonitor System.Runtime.Caching.HostFileChangeMonitor System.Runtime.Caching.MemoryCache System.Runtime.Caching.ObjectCache

System.Runtime.CompilerServices.Unsafe by: Microsoft

Provides the System.Runtime.CompilerServices.Unsafe class, which provides generic, low-level functionality for manipulating pointers. Commonly Used Types: System.Runtime.CompilerServices.Unsafe

System.Runtime.Serialization.Primitives by: Microsoft

Provides common types, including System.Runtime.Serialization.DataContractAttribute, for libraries that support data contract serialization. Commonly Used Types: System.Runtime.Serialization.StreamingContext System.Runtime.Serialization.OnDeserializingAttribute System.Runtime.Serialization.OnDeserializedAttribute System.Runtime.Serialization.OnSerializingAttribute System.Runtime.Serialization.OnSerializedAttribute System.Runtime.Serialization.EnumMemberAttribute System.Runtime.Serialization.DataMemberAttribute System.Runtime.Serialization.DataContractAttribute System.Runtime.Serialization.IgnoreDataMemberAttribute System.Runtime.Serialization.SerializationException When using NuGet 3.x this package requires at least version 3.4.

System.Security.AccessControl by: Microsoft

Provides base classes that enable managing access and audit control lists on securable objects. Commonly Used Types: System.Security.AccessControl.AccessRule System.Security.AccessControl.AuditRule System.Security.AccessControl.ObjectAccessRule System.Security.AccessControl.ObjectAuditRule System.Security.AccessControl.ObjectSecurity When using NuGet 3.x this package requires at least version 3.4.

System.Security.Cryptography.OpenSsl by: Microsoft

Provides cryptographic algorithm implementations and key management for non-Windows systems with OpenSSL. Commonly Used Types: System.Security.Cryptography.RSAOpenSsl af7d2ae49c79bb279625de4e92f7f91f9fe94f5d When using NuGet 3.x this package requires at least version 3.4.

System.Security.Cryptography.Pkcs by: Microsoft

Provides support for PKCS and CMS algorithms. Commonly Used Types: System.Security.Cryptography.Pkcs.EnvelopedCms

System.Security.Cryptography.ProtectedData by: Microsoft

Provides access to Windows Data Protection Api. Commonly Used Types: System.Security.Cryptography.DataProtectionScope System.Security.Cryptography.ProtectedData

System.Security.Permissions by: Microsoft

Provides types supporting Code Access Security (CAS). When using NuGet 3.x this package requires at least version 3.4.

System.ServiceModel.Duplex by: Microsoft

Provides classes for consuming and communicating with duplex services. Commonly Used Types: System.ServiceModel.DuplexClientBase<TChannel> System.ServiceModel.InstanceContext 0cdb612ce9cc705f11132c9d162347607b45cf99 When using NuGet 3.x this package requires at least version 3.4.

System.ServiceModel.Http by: Microsoft

Provides classes that allow applications to consume HTTP and WebSocket web services. Use the System.ServiceModel.BasicHttpBinding class for communication with ASMX-based web services and other services that conform to the WS-I Basic Profile 1.1. Whereas, use the System.ServiceModel.NetHttpBinding class for communication with .NET-based WebSocket services. Commonly Used Types: System.ServiceModel.BasicHttpBinding System.ServiceModel.Channels.HttpRequestMessageProperty System.ServiceModel.Channels.HttpResponseMessageProperty System.ServiceModel.Channels.HttpTransportBindingElement System.ServiceModel.Channels.HttpsTransportBindingElement System.ServiceModel.HttpClientCredentialType System.ServiceModel.BasicHttpSecurityMode System.ServiceModel.HttpTransportSecurity System.ServiceModel.BasicHttpMessageCredentialType System.ServiceModel.HttpBindingBase 0cdb612ce9cc705f11132c9d162347607b45cf99 When using NuGet 3.x this package requires at least version 3.4.

System.Speech by: Microsoft

Provides types to perform speech synthesis and speech recognition. Commonly Used Types System.Speech.Synthesis.SpeechSynthesizer System.Speech.Recognition.SpeechRecognizer

System.Text.Encoding.CodePages by: Microsoft

Provides support for code-page based encodings, including Windows-1252, Shift-JIS, and GB2312. Commonly Used Types: System.Text.CodePagesEncodingProvider af7d2ae49c79bb279625de4e92f7f91f9fe94f5d When using NuGet 3.x this package requires at least version 3.4.

System.Threading.Timer by: Microsoft

Provides the System.Threading.Timer class, which is a mechanism for executing a method at specified intervals. Commonly Used Types: System.Threading.Timer System.Threading.TimerCallback When using NuGet 3.x this package requires at least version 3.4.

Twilio by: Twilio

Twilio REST API helper library