> For the complete documentation index, see [llms.txt](https://solr-express.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://solr-express.gitbook.io/docs/5.4.2/about-solr-express/about/packages.md).

# Packages

## SolrExpress.Core

Core library with main logic and generic implementations.

## SolrExpress.Solr4

Provider for SOLR 4, full compatibility with the Solr 4.X.

Implementation using default query handler and mechanism provided by request parameters.

## SolrExpress.Solr5

Provider for SOLR 5, full compatibility with the Solr 5.X.

Implementation using default query handler and mechanism provided by JSON Request API.

## SolrExpress.DI.Autofac

Provider for Autofac Dependency Injection.

## SolrExpress.DI.CoreClr

Provider for native .Net Core Dependency Injection.

## SolrExpress.DI.Ninject

Provider for Ninject Dependency Injection.

## SolrExpress.DI.SimpleInjector

Provider for Simple injector Dependency Injection.