Ludvig "Ludde" Strigeus (born January 1981) is a Swedish programmer, best known for developing software such as the BitTorrent client μTorrent, OpenTTD, and Spotify. Early life and education Strigeus was born in January 1981, and he graduated from Chalmers University of Technology with a master's degree in computer science and engineering. Career He currently works as a software engineer at Spotify. In 2005, his development team won PuzzleCrack, a week-long puzzlehunt competition that combines problem-solving with computer hacking. Ludvig Strigeus was awarded the 2006 John Ericsson (sv) Medal, the 2011 Tenzingpriset, 2015 honorary doctorate, and the 2020 Polhem Prize. Personal life He currently resides in Gothenburg, Sweden. Due to a rare muscular disease, Strigeus uses a wheelchair. Software μTorrent - small footprint BitTorrent client for Microsoft Windows and OS X (closed-source) ScummVM - interpreter of adventure game engines, most notably LucasArts's SCUMM OpenTTD - reverse engineered game engine of Transport Tycoon, led to many ports and game improvements over the original Ports of Dr. Mario and Kwirk for the TI-89 calculator "The Idiot" - card game for Windows WebWorks - a text HTML editor Spotify - a commercial music streaming service Spotiamp - a lightweight Spotify Premium client for Windows, created as a tribute to Winamp TunSafe - VPN client for Windows using the WireGuard protocol References External links SourceForge profile Patents by Inventor Ludvig Strigeus at Justia Patents Video game programmers Swedish computer programmers Chalmers University of Technology alumni 1981 births Living people Spotify people