Tomato is free open source Linux-based third-party firmware for several Broadcom-based Wi-Fi routers, including the Linksys WRT54G. The major emphasis of Tomato is on stability, speed and efficiency. It is maintained by Jonathan Zarate, who also developed HyperWRT +tofu;
Tomato firmware allows developers to create customized firmware that extends the functionality of the router through a plethora of new features. Tomato provides a robust set of advanced features that outperform the default Linksys firmware, and rival other open source firmware such as DD-WRT in terms of functionality.