VOEL 1.0 is a decision-support software for the protection of organic stored-products that was developed for store-keepers, farmers and pest control specialists in Ger-many. Most of the information given applies to all Central European countries, except for some legislative aspects concerning registration, which are specific for Germany. The program contains a decision-support module for monitoring and control of stored product pest, an encyclopedia on pests and beneficial organisms, a key for the deter-mination of these organisms, information on registered products for stored product protection in Germany, a data bank where literature concerning associations of pests and beneficials can be retrieved, a list of references on stored product protection in general and several original papers on stored-product protection