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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. In 2023 Ludvig was elected fellow of the Royal Swedish Academy of Engineering Sciences

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

1. "Ludvig Strigeus". Chalmers University of Technology (in Swedish). Retrieved 10 July 2021.
2. ^ "Ludvig Strigeus och Martin Lorentzon". Chalmers. 19 March 2015. Retrieved 10 July 2021. De tidigare chalmersstudenterna Ludvig Strigeus och Martin Lorentzon ligger bakom musiktjänsten Spotify som på mycket kort tid revolutionerat människors sätt att lyssna på musik. Deras tekniska respektive entreprenöriella bidrag belönas med ett hedersdoktorat vid Chalmers....Ludvig Strigeus har en civilingenjörsexamen i datateknik från Chalmers och belönades 2006 med John Ericsson-medaljen för sina lysande studier.
3. "Ludvig Strigeus fick Tenzingpriset". Chalmers alumniblogg. Archived from the original on 23 December 2011. Retrieved 10 July 2021.
4. "Ludvig Strigeus fick Tenzingpriset". Chalmeristbloggen (in Swedish). 28 November 2011. Retrieved 10 July 2021.
5. "2011 års pristagare heter Ludvig Strigeus". Tenzingpriset.se (in Swedish). 26 June 2013. Archived from the original on 7 December 2013.
6. Van der Sar, Ernesto (November 14, 2020). "uTorrent Inventor Wins Prestigious Technology Innovation Award". TorrentFreak. Retrieved 9 July 2021. Both were originally coded by Strigeus and Spotify even owned the uTorrent client briefly, before it was sold to BitTorrent Inc. Spotify didn't acquire uTorrent because of the technology, they wanted its developer....This week Strigeus was awarded the prestigious Polhem Prize by the Swedish Association of Graduate Engineers.
7. "IVA gets a boost with 40 new Fellows – here is the list". www.iva.se. Retrieved 2023-12-19.
8. Nystås, Michael (23 September 2011). "Spotifys stjärnutvecklare är också chalmerist". Chalmers alumniblogg. Archived from the original on 21 July 2012. Retrieved 10 July 2021.
9. Pollack, Neal (2010-12-27). "Spotify Is the Coolest Music Service You Can't Use". Wired. Vol. 19, no. 1. Retrieved July 14, 2016.
10. "BitTorrent Acquires μTorrent". Press. BitTorrent. December 7, 2006. Archived from the original on 26 April 2011. Retrieved 10 July 2021. By teaming with BitTorrent, we will benefit from a truly global reach and technology leadership to deliver the best experience for our users," said Ludvig Strigeus, developer of μTorrent. "Combining μTorrent with the important developments BitTorrent, Inc. already has underway will allow us to forge a business model and enjoy an even larger user base than we currently enjoy as separate entities.
11. Wen, Howard. "Inside ScummVM: Classic Adventure Engine Overhaul - O'Reilly Media". Retrieved 10 December 2016.
12. "Ludvig Strigeus - ticalc.org". Retrieved 10 December 2016.
13. "The Idiot software. This package contains 40 solitaire variations, including The Idiot, Napoleon's Grave, Thirteen's Pyramid, The Snake, Golf, Free Cell, Memory, Tetris and Poker. Sound, music and many graphical effects. You're tired of the solitaire game". Retrieved 10 December 2016.
14. Strigeus, Ludvig (1999-01-01). "Idioten 1.1/2.0". Luddes program. Archived from the original on 2000-10-19. Retrieved 9 July 2021. Har du tröttnat på att använda patienserna som följer med Windows och vill ha lite nya utmaningar. Titta då på Idioten! Idioten innehåller nästan 40 nya patienser som av säker några är kända. Bland de som följer med finns: Idioten, Napoleons Grav, Trettonpyramiden, Toppen, Ormen, Golf, Svarta hålet, Memory, Änkan, Par om Par och många fler.
15. Strigeus, Ludvig. "The Idiot 3.02 - Solitaire Collection". Ludde's programs. yi.org Dynamic DNS. Archived from the original on 14 February 2003. Retrieved 9 July 2021. The Idiot - Solitaire Collection is shareware and may be used during a 30 day trial period for free. After that you have to register it to continue using it.
16. Strigeus, Ludvig. "WebWorks 1.3". Luddes program. Archived from the original on 2000-10-17. Retrieved 9 July 2021. WebWorks is also developed in 32-bit Delphi 2.0, which means that it adapts very well to Windows 95's appearance and interface. In addition, Delphi 2.0's compiler is a very optimizing compiler, which means that the programs are also fast. WebWorks began development in the fall of 1997, then in 16-bit Delphi 1.0. Later I got Delphi 2.0 which became a real step forward with colored tags and the ability to open any size file (only the computer's memory that limits), unlike 16-bit programs where you could only work with 32 kB large texts. In addition to being fast, the program also includes most smart features. The flexible file box and the tabs are just a few examples. WebWorks also includes context menus for most commands from bold text to java script. If you have Internet Explorer installed, it is also possible to preview images and documents directly in WebWorks without having to start a Web browser. In addition, it is possible to use an external browser as well. (WebWorks är en otroligt kraftfull och flexibel HTML-Editor med allt vad som krävs för att göra en professionell hemsida. WebWorks screenshot WebWorks är dessutom utvecklat i 32-bitars Delphi 2.0 vilket gör att det anpassas mycket bra till Windows 95's utseende och gränssnitt.)
17. spotiamp.com Archived 2013-12-20 at the Wayback Machine
18. "Spotiamp – Long live the Llama". 20 December 2013. Archived from the original on 31 March 2016. Retrieved 10 December 2016.
19. "TunSafe: High Performance WireGuard VPN Client for Windows". Retrieved August 2, 2018.

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