The document discusses the increasing adoption of free and open-source software (FOSS) by public administrations across Europe, highlighting significant savings and efficiencies gained from its use. Examples from various sectors demonstrate how FOSS is utilized in areas like e-government, healthcare, and education, with notable implementations in municipalities and ministries. Challenges remain, including political support and procurement practices that hinder broader adoption, despite the recognition of FOSS's value for responsible government and sustainability.