The document discusses open source software and provides examples of its use by government agencies in Belgium. It begins with an anecdote about how the author got introduced to open source software while sailing. It then discusses how open source has risen in popularity due to factors like EU policies encouraging less dependence on closed source software. The document provides examples of government agencies in Belgium that have adopted open source solutions like PostgreSQL and migrated away from proprietary databases. It discusses case studies of the National Forensic Institute and RvIG adopting open source.