cFosSpeed - Internet Acceleration with Traffic Shaping and bandwidth management. Ping optimizer + packet prioritization. 

Maximum Download & Minimum Ping. For DSL, ADSL, VDSL, Cable, Modem, ISDN, Mobile (GSM, GPRS, HSCSD, UMTS, HSDPA), Filesharing (P2P), Online Games, VoIP, Streaming Media and Tuning 

Features: 

Free configurable Prioritization 

self-calibrating 

Layer-7 Analysis 

Firewall 

automatic router detection 

optimal Dial-Up connections 

VPN - WLAN - WiFi - MTU-Optimization 

Multi User Features 

broadband limits 

Limitations: 30-day trial