Semaphore Cloud Development is a semantic software as a service platform that provides a low-cost non-production environment for developing semantic solutions. It allows partners and developers to incorporate Semaphore's capabilities into their products and solutions. The platform offers modular options including modelling, classification, extraction, and a search application framework. Smartlogic provides various support options to help customers get the most value from Semaphore, including documentation, training, and 24/7 customer support. The webinar concluded with a Q&A session.