Top 20 NuGet linq Packages

Reactive Extensions (Rx) provides the aliases Map, FlatMap, and Filter
A generic tree library in C# that focuses on hierarchical entity representations. Features: full LINQ querying, intuitive manipulation of nodes, error detection (e.g. cycles), class extensibility (e.g. to accommodate business rules), format conversion / serialization.
LINQ provider built on top of System.DirectoryServices.Protocols for querying and updating LDAP servers.
C# source implementation that enhances LINQ to Objects with the method Batch. Batches the source sequence into sized buckets.
ORM and LINQ Provider. Features: Auto Mapping, Generate Classes from Tables, Generate Tables from Classes, Synchronize Classes to Tables, Generic ADO.NET Wrapper, LINQ Provider support for SQL Server, Oracle, MySQL, VistaDB, Firebird, SQLite, and Microsoft Access.
Pomona shared library between server and client.
MedallionOData is a lightweight, zero-setup .NET library for creating and querying OData and OData-like services.
A set of helper and extension methods to complement the System.Linq namespace.
VITA ORM Core Functionality.
AsyncPoco bindings for StaTypPocoQueries. It translates Linq Expressions to SQL 'where' clause. Makes it safer to work with AsyncPoco. Generates sql and parameters to be passed to Database class methods such as Query, Single, Delete etc.
The CData Microsoft Access Provider allows you read and write to Access databases.
The CData Apache HBase Data Provider allows you to use standard drivers to access data from an Apache HBase database.
The CData Cassandra Data Provider allows you to use standard drivers to access data from a Cassandra database.
The CData Couchbase Data Provider allows you to connect to Couchbase objects.
The CData CSV Data Provider allows you to display CSV files in a table format. Just specify your credentials to retrieve CSV data and display it in a table.
The CData Dynamics CRM Data Provider allows you to connect to Microsoft Dynamics CRM Leads, Contacts, and Opportunities just like database tables.
Enables you to connect to Microsoft Dynamics NAV sources just like SQL tables. Just specify your credentials and access data from any Dynamics NAV source.
The CData Email Data Provider allows you to connect to IMAP and POP email data sources. It also allows for sending emails through SMTP.
The CData Exact Online Data Provider allows you to connect to Exact Online objects.
The CData Microsoft Excel Data Provider allows you to create ADO.Net data tables from Excel Spreadsheets.