Microsoft recently released .NET Core and ASP.NET 5 Release Candidate, supported on Windows, OS X and Linux. Microsoft states this release is ready for production and will support it. Both release candidates are considered feature complete on Windows, OS X and Linux, although minor features may still be added until the final release.
Microsoft has released a project called Helios, a lightweight OWIN-based web host running on top of IIS.
LeanSentry, web based server and application monitoring tool for .NET has been updated with improved alerts in addition to an ability to set custom response time with an option to ignore any least important errors.
LeanSentry recently added a feature which monitors ASP.NET/IIS applications and provides alerts as and when the site hangs along with the required remedial measures.
LeanSentry, formerly Sentinel has been updated with support for smart alerts, error highlighting, enhanced dashboard, classic ASP support in addition to several diagnostics features.
Servant enables you to manage various settings of Internet Information Services (IIS) directly from your browser.
IIS 8 gets released along with Windows Server 2012. This comes with several interesting features such as NUMA-support, WebSockets, security improvements and better web deployment tools.
Microsoft recently announced the Release Candidate of Web Deploy 3.0, their tool for packaging and deploying web applications. The new version includes support for IIS8 on Windows Server 8, PowerShell cmdlets, and automated backup.
Ido Flatow has been posting a series on the upcoming changes to WCF in .NET 4.5. Most of these changes revolve around making configuration files lighter and easier to work with in both stand-alone and IIS hosted modes.
MSDeploy is a utility for migrating and synchronizing websites between servers. It can create a package to deploy web content, databases, and IIS configuration, and can also be used to keep web server farms synchronized.
Microsoft Web Farm Framework (WFF) is a free IIS plug-in used to provision and manage systems in a web server farm, enabling the installation and configuration of software components across the farm plus support for automated deployment of ASP.NET applications.
The WCF Data Services Team have recently been doing a series on the available authentication mechanisms for client/OData service authentication.
WebMatrix is a free tool from Microsoft putting together a web server, ASP.NET + Razor, SQL Server CE and an IDE for creating simple websites.
Scott Guthrie recently announced IIS Express, a light weight alternative to IIS and a potential replacement of Cassini (the built in web server for Visual Studio). IIS Express is intended to solve the pain points reported in Cassini and enable developers to develop using a full IIS 7.x feature-set. It’s not available for download yet, but according to Scott should be available shortly.
LeanServer has created for IIS 7.0 an extension called ScaleUp, solving some of the problems related to file uploading and plaguing Microsoft’s web platform. According to its creators, ScaleUp increases upload speed, supports unlimited upload file sizes, scales up to thousands of uploads per server, and includes progress reporting, streaming and filtering.