Kannel is an Open Source WAP gateway that also works as an SMS gateway for GSM networks. You can use it to provide content and services to mobile phone users.

The V3 Mobile Gateway offers you the Wireless Web at ground breaking speeds. With it's optimized WAP stack and WML encoder, delivering WAP content to your users have never been so quick and easy. The V3 Mobile Gateway also offers a SMS server, which is ideal for Cost Effective Global Market reach. Not only does the V3 Mobile Gateway offer fast and easy installation, but also a Wireless API (Application Programming Interface), making software/solution integration a breeze. Developers are now able to completely embed the functionality of the V3 Mobile Gateway into their applications, hiding any signs of 3rd party components. The V3 Mobile Gateway also supports technologies like ASP (Active Server Pages), PHP, JSP (Java Server Pages), CFM (Cold Fusion) and CGI (Common Gateway Interface), enabling you to easily port any application to a wireless device.

Vega Mobile Gateway is a lightweight and powerful WAP-gateway for Win32 -environment, including Windows9x and Windows NT / 2000 operating systems). Vega Mobile Gateway can provide you with the ability to bring the intranet straight onto your WAP device. Interoperable with a variety of WAP-enabled devices and is compatible with GPRS and other future mobile transfer technologies. You are not tied into any specific www-server or so. You don't need Java run time or any other external components to run Vega Mobile Gateway.

The Infinite Enterprise WAP Gateway, commercially available since October 1999 and winner of the Best Of Show award at Internet World Fall, is the world's most popular corporate WAP Gateway and is widely used by large enterprise customers and mobile operators throughout the world. Reliability, scalability, and multiple device compatibility make the Infinite Enterprise WAP Gateway the perfect platform for creating, testing, and deploying mobile applications and content.