This document provides an inventory of innovative farmer advisory services using information and communication technologies (ICTs). It describes several projects that utilize different ICT approaches, including voice information delivery services, radio broadcasts and dial-up services, extension services using mobile phones and databases, and e-learning platforms. It also discusses measuring the social and economic impacts of these services and highlights some challenges to scaling them up, such as low digital literacy rates and the high costs of infrastructure and equipment. Overall, the document aims to showcase how ICTs can provide valuable information to farmers and support agricultural development.