Log-Net, a provider of international supply chain and logistics execution software, today announced the launch of version 4.0 of Log-Net, the company's flagship supply chain execution software. Log-Net 4.0 provides global in-transit visibility across all modes of transport with extensive logistics, costing and purchasing functionality. The new version provides upgrades to the system's core order management, transport management, and costing area plus new support for internationalisation and wireless computing.