Arjan de Jager, formerly at IICD, together with Victor van Reijswoud, a former researcher, IICD partner and Head of IT at Uganda Martyrs University, published a book on Open Source Software for Development. The book actually costs money to order, but a free PDF of the entire book can be downloaded for reading only at Free and Open Source Software for Development.
Perhaps some of the arguments made in the book and the analysis of the case studies may be of interest to you. A brief abstract of the book is below:
Development organizations and International Non-Governmental Organizations have been emphasizing the high potential of Free and Open Source Software for the Less Developed Countries. Cost reduction, less vendor dependency and increased potential for local capacity development have been their main arguments. In spite of its advantages, Free and Open Source Software is not widely adopted at the African continent. In this book the authors will explore the grounds on with these expectations are based. Where do they come from and is there evidence to support these expectations? Over the past years several projects have been initiated and some good results have been achieved, but at the same time many challenges were encountered. What lessons can be drawn from these experiences and do these experiences contain enough evidence to support the high expectations? Several projects and their achievements will be considered. In the final part of the book the future of Free and Open Source Software for Development will be explored. Special attention is given to the African continent since here challenges are highest. What is the role of Free and open Source Software for Development and how do we need to position and explore the potential? What are the threats? The book aims at professionals that are engaged in the design and implementation of ICT for Development (ICT4D) projects and want to improve their understanding of the role Free and Open Source Software can play.