Freely available RiscPC hardware emulator RPCEmu has been ported to Linux. Author Tom Walker released his program under an open source licence to Peter Naulls, who then crafted a Linux version and added in HostFS support from ArcEm – enabling RPCEmu to access files stored by the host operating system. RPCEmu, originally built for Windows users, is distributed with its source code included for other programmers to tweak and experiment with.