Top 20 NuGet sitecore Packages

Unicorn is a utility for Sitecore that solves the issue of moving templates, renderings, and other database items between Sitecore instances.
Adds security role syncing to Unicorn. Install the non-core package to get config files.
Unicorn is a utility for Sitecore that solves the issue of moving templates, renderings, and other database items between Sitecore instances. This package contains both the Unicorn core library and the configuration for it, which is appropriate for web projects. Install Unicorn.Core if you only want...
Rainbow is an advanced serialization library for Sitecore. This package contains both the core library and the configuration file, which is appropriate for web projects. Install Rainbow.Core if you only want the library.
Implements the Sitecore database as a Rainbow data store
Implements a YAML-based serialization format as a Rainbow data store
Adds security role syncing to Unicorn. This package contains both the core library and the configuration for it, which is appropriate for web projects. Install Unicorn.Roles.Core if you only want the library.
An advanced serialization library for Sitecore. Install the Rainbow package if you want the config file with the library
Adds user syncing to Unicorn. Install the non-core package to get config files.
Adds user syncing to Unicorn. This package contains both the core library and the configuration for it, which is appropriate for web projects. Install Unicorn.Users.Core if you only want the library.
Automatic media library image file optimization for Sitecore
A module to support SEO friendly, multi-site and multi-language enabled custom error messages for Sitecore.
A module to support SEO friendly, multi-site and multi-language enabled custom error messages for Sitecore.
Easily move production Sitecore content to pre-production environments with this Sidekick module.
Collection of Sitecore Sidekick Apps
An app to graphically log and search author activity within Sitecore.
Unit testing framework for Sitecore.
Manages consistantly creating the repetative tasks of creating components in Sitecore. From creating projects for helix layers to generating templates and renderings.
A tool to help sitecore users more easilly navigate around the content editor with previously visited items and a customizable list of important locations.
Sitecore Sidekick is a platform for sitecore tools using angularjs.