CodeMaid似乎非常有用——它在保存时自动格式化，这为开发人员和代码差异之间节省了大量时间。(是否有其他工具可以使用VS自动格式化文档?)

免费的:

VsCommandBudy - Extend VS with external commands where really need them (Free) PowerCommands - useful extensions for the Visual Studio 2010 adding additional functionality to various areas of the IDE. DevExpress CodeRush Xpress - Coding assistance, Intellisense navigation,etc. AnkhSVN - Subversion Support for Visual Studio. Ghost Doc - Simplify your XML Comments. Visual Studio Color Theme Editor - make your VS2010 look pretty with themes. VsVim - VIM emulation layer for Visual Studio. DPack - FREE collection of Microsoft Visual Studio tools. VSFileNav - fast searcher with wildcards + camel case searches. Sonic file finder - fast and convenient search. AllMargins tangible T4 Editor plus modeling tools for VS2010 adds IntelliSense and Syntax Coloring to T4 Text Templates Word Wrap with Auto-Indent Indentation Matcher Extension Structure Adornment BlockTagger BlockTaggerImpl SettingsStore SettingsStoreImpl Source Outliner - not available on this link. Triple Click - Makes triple click select an entire line. ItalicComments Go To Definition - Make ctrl+click perform a "Go To Definition" on the identifier under the cursor Spell Checker - not available on this link. Remove and Sort Using - Adds a context menu entry to Solution Explorer that sorts and removes using statements on every file in the solution, project, or on the individual file. Format Document - Adds a context menu entry to Solution Explorer and the code window that executes the Edit-Advance-Format Document command on every file in the solution, project, or current code window. Open Folder in Windows Explorer - Extends the Open Folder in Windows Explorer context menu option to the code editor and to all files in solution explorer. Find Results Highlighter - Highlights the search text in the find results windows. Regular Expressions Margin - A margin which exposes .Net Regular Expressions search and replace capabilities on a given code window. VSCommands - not available on this link. HelpViewerKeywordIndex - Visual Studio Extension for the Microsoft Help Viewer StyleCop - StyleCop analyzes C# source code to enforce a set of best practice style and consistency rules. Extension Analyzer - Extension Analyzer helps debug issues with VSIX Components, Visual Studio Packages, PkgDef Files and MEF Components. CodeCompare - Code Compare is an advanced file and folder comparison tool. This programming languages oriented diff tool can be used as a Visual Studio add-in and as a standalone application. Team Founder Server Power Tools - not available on this link VS10x Selection Popup - not available on this link Color Picker Completion - not available on this link Numbered Bookmarks - Numbered Bookmarks allows users to create and recall bookmarks by using numbers. User can create 10 bookmarks (starting from 0 to 9). Mouse Zoom - Mouse zoom at the mouse's cursor instead of at the top of the visible document. See VS options... Visual Studio 2010 Pro Power Tools - A set of extensions to Visual Studio Professional (and above) which improves developer productivity. JSEnhancements - provides outlining and matching braces highlighting features for Visual Studio JavaScript editor; provides fantastic #region collapsing in JS and CSS files, making long files much easier to handle; Code Contracts Editor Extensions - Displays Code Contracts (when editing C#) in code, Intellisense, and in metadata files. WoVS Quick Add Reference - Add missing assembly references right from the code editor JScript Editor Extensions - Align By T4 Editor Quick Open File for Visual Studio 2010 - quick opening any solution file CleanProject - Cleans Visual Studio Solutions PhatStudio - fast file navigation and quickly opening files VsVim - Vim style keyboard shorcuts Chutzpah - Open source JavaScript test runner I Hate #Regions - makes expanded regions less disturbing by making the font smaller

没有免费的:

Resharper 视觉辅助X JustCode ViEmu CodeRush with Refactor!箴 VisualSVN VS10x Code Map -显示当前编辑器窗口代码的图形嵌套表示 VS10x编辑器视图增强器

《幽灵医生》(免费)

正确地配置它需要一段时间，但它可能非常有用。

TFS 2010工作项可视化工具(免费)

AnkhSVN(自由)

即使你使用VS之外的其他SVN shell(如TortoiseSVN)，我也建议安装这个源代码控制提供程序来自动跟踪文件的重命名、删除等。

如果你是Vim爱好者……

VsVim -免费 ViEmu -不免费(也未发布)