Top 20 NuGet search Packages

Elasticsearch is a distributed, RESTful search and analytics engine capable of solving a growing number of use cases. As the heart of the Elastic Stack, it centrally stores your data so you can discover the expected and uncover the unexpected.
Android Search Dialog Library
Aims to provide an easy way to create a collection of filters inside .NET Core for a set of entities, and to provide context-sensitive information when data-constraints are being applied.
Lightweight generic Graph implementation in C#
A .NET Client for Voidtool's Everything.
Sofenia search engine's query library (managed). Go to https://github.com/theconnectionist/sofenia.apps
W3S Google Custom Search is a package that uses the Google Custom Search API to create a search engine for your Umbraco powered website.
Typescript definition file for BIA.Net.DataTable.MVC
A simple, configurable query logger for ASP.NET Core applications.
An extension of Xamarin.Forms SearchBar control for implementing Google Places Autocomplete API
An improvement on Window's existing .NET Framework API for finding files. Enumeration no longer fails when encountering a secure file. File numeration is a little bit faster. Added support for matching file names by Regex.
Fluent API to drive search on different platforms
Bing Video Search API provides an experience similar to Bing Videos, by returning videos that Bing determines are relevant to a query.
An easy to use search Library powered by Lucene.Net
This Library will generate a robust and extensible Search Procedure for SQL Server. It can also generate an Insert Procedure.
The Bing Local Business Search API allows your applications to search for nearby business locations using queries.