TCP Optimizer 2.0.3
The TCP Optimizer is a free, easy Windows program that provides an intuitive interface for tuning and optimizing your Internet connection.
The program can aid both the novice and the advanced user in tweaking related TCP/IP parameters in the Windows Registry, making it easy to tune your system to the type of Internet connection used. The tool uses advanced algorithms, and the bandwidth*delay product to find the best MTU and RWIN values, test latency and tweak all the important related registry parameters. The Optimizer is targeted towards broadband internet connections, however it can be helpful with tuning any internet connection type, from dialup to Gigabit+.