Slashmark Flow

Open-source licences

Last updated 26 October 2026

Slashmark Flow is free software, released under the GNU General Public License, version 3.

Slashmark Flow

Copyright © 2026 Slash Mark. You may redistribute and modify Slashmark Flow under the terms of the GNU General Public License as published by the Free Software Foundation, version 3. It is distributed without any warranty; see the licence for details.

Licence text: GNU General Public License v3 (LICENSE.txt)

Source code, version 1.5.14: slashmark-flow-1.5.14.tar.gz

For the source of any other version, write to info@slashmark.in.

Third-party components

Slashmark Flow includes the following open-source software. Each component remains under its own licence, and copies of those licences ship with the app.

ComponentCopyright holderLicenceUsed for
Beamer 1.5.14Toby George Read KalkmanGPL-3.0The codebase Slashmark Flow is built on
PythonPython Software FoundationPSF-2.0Runtime bundled with the app
Qt 6 and Qt for Python (PySide6)The Qt CompanyLGPL-3.0Windows and Linux interface
PyNaCl and libsodiumPyCA; Frank DenisApache-2.0; ISCEncryption between paired machines
cffi, pycparserArmin Rigo, Maciej Fijalkowski; Eli BenderskyMIT; BSD-3-ClauseNative bindings
PyObjCRonald Oussoren and contributorsMITmacOS interface and input
rumpsJared SuttlesBSD-3-ClausemacOS menu bar
py2appRonald OussorenMITmacOS app bundle
pywin32Mark Hammond and contributorsPSF-2.0Windows system access
PyInstaller bootloaderPyInstaller Development TeamGPL-2.0 with bootloader exceptionWindows executable
segnoLars HeuerBSD-3-ClausePairing QR codes
python-xlib, sixPython Xlib contributors; Benjamin PetersonLGPL-2.1+; MITLinux X11 support
jeepneyThomas KluyverMITLinux desktop portals
Hanken GroteskAlfredo Marco PradilSIL OFL-1.1Interface typeface
B612 MonoAirbus, Intactile Design, PolarSysSIL OFL-1.1Numerals typeface