opensource: http://www.dotnetfoundation.org/projects

https://github.com/dotnet/corefx

Enterprise Library:https://msdn.microsoft.com/en-us/library/dn169621.aspx

http://www.microsoft.com/en-in/download/details.aspx?id=38789

Azure:http://azure.microsoft.com/en-us/downloads/?rnd=1

C#6.0:http://www.oschina.net/translate/new-features-in-csharp

http://www.codeproject.com/Articles/874205/New-features-in-Csharp

http://www.codeproject.com/Tips/856913/Csharp-New-Features-Explored

WF:http://www.cnblogs.com/foundation/archive/2007/07/20/825060.html

WS:http://www.cnblogs.com/VisualStudio/category/157662.html

Subversion:http://subversion.apache.org/download/

TortoiseSVN:http://sourceforge.net/projects/tortoisesvn/files/?source=navbar

MonoDevelop:http://www.monodevelop.com/download/

Mono:http://www.mono-project.com/download/#download-win

asp.net:http://www.asp.net/

codeplex:https://www.codeplex.com/

http://aspnet.codeplex.com/

msdn:https://msdn.microsoft.com/zh-cn

.Net Framework:https://msdn.microsoft.com/en-us/library/ms171868(v=VS.110).aspx

asp.net 5:http://www.asp.net/visual-studio/overview/2013/release-notes

ilspy:http://www.ilspy.net

NDoc:http://ndoc.sourceforge.net/

Castle:http://www.castleproject.org/download/

Spring.net:  http://www.springframework.net/download.html

http://www.cnblogs.com/cilence/archive/2013/02/21/2920455.html

HttpModule:http://www.cnblogs.com/cilence/archive/2012/05/28/2520712.html

GZip:http://blog.csdn.net/yangdaboke/article/details/8735637

http://blog.csdn.net/lan_liang/article/details/6827539

SharpZipLib:http://icsharpcode.github.io/SharpZipLib/

http://www.cnblogs.com/idotnet8/articles/934167.html

http://www.cnblogs.com/xiachufeng/archive/2011/10/18/2216099.html

DbLinq:https://code.google.com/p/dblinq2007/

Petapoco:http://www.toptensoftware.com/petapoco/

https://github.com/toptensoftware/petapoco

http://www.cnblogs.com/zdh8675/p/3643068.html

Dapper:https://github.com/StackExchange/dapper-dot-net

NHibernate:http://nhibernate.info/

Mybatis.net:https://code.google.com/p/mybatisnet/downloads/list?can=3

动软:http://www.maticsoft.com/download.aspx#5

IBator:http://people.apache.org/builds/ibatis/ibator/

MyGeneration:http://sourceforge.net/projects/mygeneration/files/

Millennials:http://www.codeproject.com/Articles/288283/Millennials-A-Custom-Source-Code-Generator

hp-socket:https://github.com/ldcsaa/HP-Socket

FastSocket:https://github.com/devhong/FastSocket.Net

supersocket:http://www.supersocket.net/

NetBPM:http://sourceforge.net/projects/netbpm/files/

Json.NET:http://json.codeplex.com/

DataTable:http://blog.csdn.net/lee576/article/details/4498214

WebAPI:http://www.cnblogs.com/developersupport/p/aspnet-webapi.html

Bootstrap:http://www.bootcss.com/

EasyUI:http://download.csdn.net/album/detail/343

AngularJS:https://github.com/angular/angular.js

KnockoutJS:https://github.com/knockout/knockout

https://msdn.microsoft.com/en-us/magazine/hh781029.aspx

http://www.cnblogs.com/lori/category/545236.html

https://github.com/Knockout-Contrib/Knockout-Validation

FastWeiXin:http://git.oschina.net/pyinjava/fastweixin

QRCode:http://www.jb51.net/dll/ThoughtWorks.QRCode.dll.html

EMail:http://www.cnblogs.com/heyuquan/p/net-batch-mail-send-async.html

OpenSmtp:http://sourceforge.net/projects/opensmtp-net/files/latest/download

HttpLib:http://httplib.codeplex.com/releases/view/99620

RestSharp:http://restsharp.org/

Aspose:http://www.cnblogs.com/wuhuacong/archive/2013/02/05/2893191.html

NPOI:http://npoi.codeplex.com/releases/view/19351

http://blog.csdn.net/dyyaries/article/details/6988493

DocX:http://docx.codeplex.com/

ITextSharp:http://sourceforge.net/projects/itextsharp/files/

AspNetPager:http://www.webdiyer.com/downloads/

NVelocity:http://www.oschina.net/p/nvelocity

Lucene:http://lucenenet.apache.org/download.html

Log4net:http://logging.apache.org/log4net/

Quartz:http://sourceforge.net/projects/quartznet/files/quartznet/

.Net SDK for Hadoop:http://hadoopsdk.codeplex.com/SourceControl/latest#readme.md

Hadoop For Windows:http://www.codeproject.com/Articles/757934/Apache-Hadoop-for-Windows-Platform

MVC:http://www.cnblogs.com/bianlan/archive/2013/01/11/2857105.html

RouteDebugger:http://www.cnblogs.com/jhxk/articles/2608655.html

Excel:http://www.cnblogs.com/imr3/articles/2856109.html

Task:http://www.cnblogs.com/luminji/archive/2011/05/13/2044801.html