The HISP network was borne out of the collaboration between NORAD and the South African Government in the development of the DHIS. The network now covers most of the African Countries and a few countries outside the continent.The District Health Information Software is the flagship software of the organisation with DHIS 1.3, 1.4 and DHIS 2.0. The software is open source and the aim is to have it database and platform independent which has been achieved in DHIS 2.0. The implementation and rollout of the DHIS in 8 Nigerian states has been a steep learning curve for the organisation which included the setting up of HISP Nigeria. The rollout to all 36 states in this vast country with a population of more that 100 million inhabitants may be on the cards in the near future.Some of the key challenges in the development of the DHIS will be dealt with also.Aim of presentation:The presentation is aimed at sharing information on the building of the International HISP network (South-South-North collaboration) and discussing key learn in the development of an open source solution in Africa (DHIS). - Anders Gjendem - Vietnam