Top 20 NuGet reallysimplefeaturetoggle Packages

ASP.NET MVC extensions for RSFT - HtmlHelper extensions for RenderAction / RenderPartial that take feature config into account, Feature action filters + more
Reconfigured RSFT for web projects - adds cookie persistence to percentaged availability rules, offers query string overrides, enhances the feature configuration evaluation context so you can build rules based around HttpContext.Current