liNear Analyse Gas is an efficient software for reliable and fast planning of the gas pipe networks according to the regulations. The software can be used universally and flexibly for construction of gas pipe networks in residential, commercial or industrial buildings. The Technical Rules for Gas Installations 2008 stipulate reliable calculation and design tools. liNear offers a software, that ensures the perfect functioning of the gas flow detectors on the basis of calculations while designing the gas pipe network. Also existing installations can be later analysed and checked.