Since 2003, Inverse has been the leader in Quebec of Open Source software development and deployments. Inverse specializes in the consulting and integration of Free and Open Source Software. From beginning to end, we provide the advice you need to make IT investment decisions and integrate Open Source Solutions for your portal, email and security infrastructures. Inverse is also the leader behind the PacketFence (https://packetfence.org), Fingerbank (https://fingerbank.org) and SOGo (https://sogo.nu) solutions.