1. Visual Studio Community https://www.visualstudio.com/en-us/news/vs2013-community-vs.aspx.
Visual Studio Community 2013 is a new edition that enables you to unleash the full power of Visual Studio to develop cross-platform solutions. Create apps in one unified IDE. Get Visual Studio extensions that incorporate new languages, features, and development tools into this IDE. (These extensions are available from the Visual Studio Gallery.)
2. Express 2013 for Web http://www.microsoft.com/en-us/download/details.aspx?id=44912
Visual Studio Express for Web has the tools to create standards-based, responsive websites, web APIs, or real-time online experiences using ASP.NET. Publish your web application directly to Microsoft Azure from the IDE. Create web services consumed by connected devices.
3. Express 2013 for Windows https://www.visualstudio.com/en-us/products/visual-studio-express-vs.aspx
4. Express 2013 for Windows Desktop https://www.microsoft.com/en-us/download/details.aspx?id=44914
Visual Studio Express for Windows Desktop lets you take full advantage of Windows with XAML designers, a productive IDE, and a variety of programming languages including C#, Visual Basic, and C++. Choose between Windows Presentation Foundation (WPF), Windows Forms, and Win32, to target the Windows desktop with the right technology for your application and your skills.
5. Team Foundation Server 2013 Express http://www.microsoft.com/en-us/download/details.aspx?id=44910
Collaborate, manage your repositories and automate build processes. Your team might be small and just getting started, but with Team Foundation Server Express, even the smallest team can go big. Up to five developers can access powerful application lifecycle management tools, collaborating and controlling the rise of your application, just like in any large organization.
6. Microsoft SQL Server 2014 https://msdn.microsoft.com/en-us/sqlserver2014express.aspx
Microsoft SQL Server 2014 Express is a free, feature-rich edition of SQL Server that is ideal for learning, developing, powering desktop, web & small server applications, and for redistribution by ISVs. The SQL Server 2014 Express release includes the full version of SQL Server 2014 Management Studio instead of SQL Server 2014 Management Studio Express.