CacheGuard-OS - CacheGuard is an enterprise grade Web Gateway solution offering Web Security & Optimization in the same box. Price starting at $99 per Year!
NetLimiter - NetLimiter is an ultimate Internet traffic control and monitoring tool designed for Windows.
Safetica - We believe data protection should make running your business easier, not harder. Safetica protects companies against insider threats, offers data loss protection, and supports regulatory compliance.
Wonder Shaper - A bandwidth limiting and traffic prioritization tool for linux.
TrafficToll - NetLimiter-like traffic shaping for Linux
cFosSpeed - cFosSpeed is a network driver, which attaches itself to existing Internet connections.