Windows applications (via RDS/Terminal Server): these are transposed via the Awingu technology to HTML5. The same counts for applications as a full desktop (OS). Note: this typically requires a Microsoft RDS license.
Linux applications: these are also transposed to HTML5 via the Awingu technology.
(Internal) web applications: these are made available via the Awingu Reverse Proxy, with Single Sign-On capabilities.
SaaS applications like Office365 and Google Apps: these are made available via Single Sign-On.