Sitecore Rocks 

Sitecore Rocks is a Visual Studio plug-in with massive functionality designed to maximize developer productivity.

Sitecore Rocks makes Sitecore developers happy. Directly integrated into Microsoft Visual Studio 2010/2012/2013, Sitecore Rocks provides a fast and streamlined development experience with tools that developers are used to.

Features:

• Sitecore Explorer: View the content tree for multiple websites and multiple databases. Delete, edit, or drag and drop multiple items simultaneously.
• Item Editor: Edit the content of Sitecore items directly inside Microsoft Visual Studio - no need to open a web browser. The Item Editor supports multi-edit so that multiple items can be updated in a single operation. 
• Search: Fully integrated Sitecore search.
• Media Library: Query-based media library. Upload new media using drag and drop.
• Layout Designer: Use drag and drop to setup presentation for multiple devices.
• Template Designer: Quick and easy configuration of data templates.
• Link Viewer: Quickly locate referrers and references.
• Sitecore Project Management: Connect a Visual Studio project to a Sitecore website and create Sitecore items from aspx, ascx and xsl files with a few clicks. Track file operations (duplicate, copy, move, rename) and update the Sitecore items automatically.
• Log Viewer: Keep track of what is happening on a Sitecore website with a running log.
• Job Viewer: See which jobs are running in the background on a Sitecore website.
• Debug and Trace: View Profile and Trace files.
• Sitecore Query Analyzer (temporary name): scripting CRUD. 
• Site Validation: Validate your site against more the 50 rules.
• NuGet: Install NuGet packages that includes Sitecore items and files.
• PowerShell: Exposes a Sitecore database as a PowerShell drive.

Sitecore Rocks is fully extendable using plug-ins that allows you to add new buttons, item editor skins, field types, pipelines and more.