- RTSensors Linux-tool for reducing the fan-speed and the fan-noise and the fan-power-consumption. Good for PCs at cool places.
- Speedfan Windows-tool that does the same as RTSensors under Linux.
More power saving and noise reduncing tools for linux computers you can find in the Linux Ecology-HOWTO.
Simulation for Cooling Datacenters
- Sun Sim Datacenter Simulator for optimization for climatization in a data-centre (developer: Sun).
Calculating Energy Savings
- visualcomplexity potential tools to impart data of energy flows and energy networks a tangibility