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Open source & licenses

M8Thor includes the open source software and the fonts below. Each entry links to its full license text.

rsync 3.4.4

License
GNU General Public License v3
Copyright
© 1996–2026 Andrew Tridgell, Wayne Davison and others
Used for
Copying your card during backup and restore
Web
rsync.samba.org

M8Thor ships rsync unchanged, as a separate program that it starts for backups and restores. You may copy, change and share rsync under the terms of the GPL v3. The license texts and the complete source also ship inside the app: Settings › About › Licenses & Source.

Compiled into rsync

  • popt · MIT · © 1998 Red Hat Software
  • zlib · zlib License · © 1995–2013 Jean-loup Gailly, Mark Adler
  • xxHash 0.8.3 · BSD 2-Clause · © 2012–2021 Yann Collet

Sparkle 2.9.1

License
MIT
Copyright
© 2006–2017 Andy Matuschak, Elgato Systems, Kornel Lesiński, Mayur Pawashe, C.W. Betts, Petroules Corporation, Big Nerd Ranch
Used for
Checking for and installing app updates
Web
sparkle-project.org

Included in Sparkle

  • bsdiff / bspatch · BSD · © 2003–2005 Colin Percival
  • sais-lite · MIT · © 2008–2010 Yuta Mori
  • Ed25519 · zlib License · © 2015 Orson Peters
  • SUSignatureVerifier · BSD · © 2011 Mark Hamlin

libopenmpt 0.8.9

License
BSD 3-Clause
Copyright
© 2004–2026 OpenMPT Project Developers and Contributors, © 1997–2003 Olivier Lapicque
Used for
Reading tracker modules (MOD, XM, S3M, IT, Future Composer and the rest of its formats) in M8Thor's helper m8thor-render
Web
lib.openmpt.org

M8Thor's PowerPacker unpacker is ported from libopenmpt's ContainerPP20.cpp.

m8thor-sid

License
GNU General Public License v2 or later
Copyright
© 2026 M8Thor contributors
Used for
Playing and rendering C64 SID tunes; runs as its own program

Compiled into m8thor-sid

  • libsidplayfp 3.1.1 · GPL v2 or later · © 2000 Simon White, © 2007–2010 Antti Lankila, © 2010–2026 Leandro Nini and others. Its SIDLite engine is based on cRSID by Mihály Horváth (Hermit). · github.com/libsidplayfp
  • libresidfp 1.2.2 (reSIDfp) · GPL v2 or later · Dag Lem, Antti S. Lankila, Ken Händel, Leandro Nini
  • hashlib (part of libsidplayfp) · MIT · © 2025 Cra3z · MIT license text

m8thor-tfmx

License
GNU General Public License v2 or later
Copyright
© 2026 M8Thor contributors
Used for
Playing and rendering Amiga TFMX and Jochen Hippel tunes; runs as its own program

Compiled into m8thor-tfmx

ancient 2.3.0

License
BSD 2-Clause
Copyright
© 2017–2025 Teemu Suutari
Used for
Reading Amiga DMS disk images in M8Thor's helper m8thor-unpack
Web
github.com/temisu/ancient

Included in ancient

  • bzip2 (its tables) · bzip2 License (BSD-style) · © 1996–2010 Julian R Seward

lhasa 0.6.0

License
ISC
Copyright
© 2011–2025 Simon Howard
Used for
Reading LHA and LZH archives in M8Thor's helper m8thor-unpack
Web
github.com/fragglet/lhasa

M8 display fonts

License
Creative Commons Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
Author
Trash80 (Timothy Lamb): stealth57 and related FontStructions; the large font after sm0hm's m8xl-ess
Used for
Drawing the M8's screen in REMOTE
Web
fontstruct.com/…/stealth57

M8Thor ships these bitmap fonts as they are in m8c, only converted from BMP to PNG; no glyph was changed. They are licensed separately under CC BY-SA 3.0 and are not covered by M8Thor's own terms. You may use, share and adapt them under that license.

Taken from

Sources and license texts in the app

The license texts, notices and complete sources of these parts ship inside the app, in Contents/Resources/ThirdParty: rsync and xxHash, libsidplayfp, libresidfp and m8thor-sid, libtfmxaudiodecoder and m8thor-tfmx, with the build scripts, and the M8 display fonts with their notice and m8c's license. In the app: Settings › About › Open source › Licenses & Source.

Trademarks

Dirtywave and M8 are trademarks of Dirtywave. M8Thor is an independent app and is not affiliated with, endorsed or sponsored by Dirtywave.

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