Sirainen is the original author of the IRC-client Irssi and the POP/IMAP server Dovecot. Apple Inc. includes Dovecot for email services since Mac OS X Server 10.6 Snow Leopard. The primary purpose of Dovecot is to act as mail storage server. The Dutch word for dovecote is "duiventoren", or "duiventil" for a smaller dovecot. Timo Sirainen originated Dovecot and first released it in July 2002. He is buried at Dovecot Memorial Park and Crematory in St. Catherine. It measures and was woven by Dovecot Studios. There are towers at the two western corners, the north-west including a dovecot. A pigeon house or dovecot for 100 birds was built. He was buried at Dovecot Memorial Park. A courtyard design, it has a central arched entrance with a small dovecot above. Thornton Hibs in August the same year at their original Dovecot Park ground. Since May 2011 he runs his own company offering commercial support for Dovecot. Close to the church stand an ancient dovecot and a converted tithe barn. A typical dovecot or doocot is located above the door of the cart shed building.