
Lyon’s Bold Digital Revolution: 7 Reasons the City’s Break‑Up With Microsoft Will Rock Government IT
On 23 June 2025, Lyon announced Territoire Numérique Ouvert (TNO) and a progressive migration from Microsoft Office to OnlyOffice, Linux, and PostgreSQL across municipal workstations. Territoire Numérique Ouvert is an open-source collaborative suite developed with SITIV and the Lyon Metropole. TNO is hosted in