C

Licenses used in Qt for MCUs

Third-party licenses

The following table lists the Qt Quick Ultralite modules that incorporate code licensed under third-party open-source or commercial licenses:

Qt Quick Ultralite

A printf / sprintf Implementation for Embedded Systems by Marco Paland, version 4.0.0	The MIT License
Anti-aliasing rasterizer from FreeType 2	Freetype Project License or GNU General Public License v2.0 only
Anti-aliasing rasterizer from FreeType 2	Freetype Project License or GNU General Public License v2.0 only
BLAKE2 (reference implementation), version 54f4faa4c16ea34bcd59d16e8da46a64b259fc07	Creative Commons Zero v1.0 Universal or Apache License 2.0
Bitstream Vera Font, version 1.10	Bitstream Vera Font License
Data Compression Library (zlib), version 1.2.11	zlib License
Data Compression Library (zlib), version 1.2.12	zlib License
DejaVu Fonts, version 2.37	Bitstream Vera Font License
Easing Equations by Robert Penner	BSD 3-clause "New" or "Revised" License
Easing Equations by Robert Penner	BSD 3-clause "New" or "Revised" License
Efficient Binary-Decimal and Decimal-Binary Conversion Routines for IEEE Doubles, version 3.1.5-30-gbf46072	BSD 3-clause "New" or "Revised" License
Efficient Binary-Decimal and Decimal-Binary Conversion Routines for IEEE Doubles, version 3.2.0+e634f265db5d296bd7a780f9813d6b8573f5bd90	BSD 3-clause "New" or "Revised" License
FreeBSD strtoll and strtoull, version 18b29f3fb8abee5d57ed8f4a44f806bec7e0eeff	BSD 3-clause "New" or "Revised" License
FreeType 2, version 2.13.3	Freetype Project License
Freetype 2 - Bitmap Distribution Format (BDF) support	MIT License
Freetype 2 - Bitmap Distribution Format (BDF) support	MIT License
Freetype 2 - Portable Compiled Format (PCF) support	MIT License and MIT Open Group variant
Freetype 2 - Portable Compiled Format (PCF) support	MIT License
Freetype 2 - zlib	zlib License
Freetype 2 - zlib	zlib License
Freetype 2, version 2.10.4	Freetype Project License or GNU General Public License v2.0 only
Freetype 2, version 2.12.1	Freetype Project License or GNU General Public License v2.0 only
HarfBuzz-NG, version 2.9.0	MIT License
HarfBuzz-NG, version 4.2.1	MIT License
IAccessible2 IDL Specification, version 1.3.0	BSD 3-clause "New" or "Revised" License
KWin, version 5.13.4	BSD-3-Clause
LibJPEG-turbo, version 2.1.1	Independent JPEG Group License and BSD 3-Clause "New" or "Revised" License and zlib License
LibJPEG-turbo, version 2.1.3	Independent JPEG Group License and BSD 3-Clause "New" or "Revised" License and zlib License
LibPNG, version 1.6.37	libpng License and PNG Reference Library version 2
LodePNG by Lode Vandevenne, version 17d08dd26cac4d63f43af217ebd70318bfb8189c	Zlib License
MD4	Public Domain
MD4C, version 0.4.8	MIT License
MD5	Public Domain
Monotype Licensed Fonts	Extension to Qt License Agreement
Monotype WorldType® Shaper Spark™	Extension to Qt License Agreement
Monotype iType® Spark™	Extension to Qt License Agreement
OpenGL ES 2 Headers, version Revision 27673	MIT License
OpenGL Headers, version Revision 27684	MIT License
PCRE2 - Stack-less Just-In-Time Compiler, version 10.39	BSD 2-clause "Simplified" License
PCRE2 - Stack-less Just-In-Time Compiler, version 10.40	BSD 2-clause "Simplified" License
PCRE2, version 10.39	BSD 3-clause "New" or "Revised" License
PCRE2, version 10.40	BSD 3-clause "New" or "Revised" License
PinyinIME, version 6.9.2	Apache License 2.0
Pixman, version 0.17.12	MIT License
Portable C library for HDLC Protocol, version 257f75296a392495bc9647bed6032356a8de22e6	Apache License 2.0
Protocol Buffers for Embedded Systems, version 0.4.7	zlib License
QEventDispatcher on macOS	BSD 3-clause "New" or "Revised" License
QOI - The "Quite OK Image" format for fast, lossless image compression, version 23c790ce59e1419d348dc4b1ae7306a0914edf47	MIT License
Secure Hash Algorithm SHA-1	Public Domain
Secure Hash Algorithm SHA-3 - Keccak, version 3.2	Creative Commons Zero v1.0 Universal
Secure Hash Algorithm SHA-3 - brg_endian, version https://github.com/BrianGladman/sha/ commit 4b9e13ead2c5b5e41ca27c65de4dd69ae0bac228	BSD 2-clause "Simplified" License
Secure Hash Algorithms SHA-384 and SHA-512	BSD 3-clause "New" or "Revised" License
SipHash Algorithm	Creative Commons Zero v1.0 Universal
Smooth Scaling Algorithm	BSD 2-clause "Simplified" License and Imlib2 License
Smooth Scaling Algorithm	BSD 2-clause "Simplified" License and Imlib2 License
TIFF Software Distribution (libtiff), version 4.3.0	libtiff License
TIFF Software Distribution (libtiff), version 4.4.0	libtiff License
The Public Suffix List, version c7fe8ddee7f4e16095e51fbc3dd72f18b7a8567d, fetched on 2022-02-17	Mozilla Public License 2.0
The Public Suffix List, version d17a65633b0286833727ef21e897a22564695ef5, fetched on 2022-05-23	Mozilla Public License 2.0
The fast_float number parsing library, version 3.4.0	Apache License 2.0
TinyCBOR, version 0.6+patches	MIT License
TinyCBOR, version 0.6.0	MIT License
Unicode Character Database (UCD), version 26	Unicode License Agreement - Data Files and Software (2016)
Unicode Character Database (UCD), version 28	Unicode License Agreement - Data Files and Software (2016)
Unicode Common Locale Data Repository (CLDR), version v40	Unicode License Agreement - Data Files and Software (2016)
Unicode Common Locale Data Repository (CLDR), version v40	Unicode License Agreement - Data Files and Software (2016)
Vulkan API Registry, version 1.2.166	Apache License 2.0 or MIT License
Vulkan API Registry, version 1.2.166	MIT License
Vulkan Memory Allocator, version 2.3.0	MIT License
WebGradients	MIT License
WebP (libwebp), version 1.2.1	BSD 3-clause "New" or "Revised" License
WebP (libwebp), version 1.2.2	BSD 3-clause "New" or "Revised" License
Wintab API	LCS-Telegraphics License
X Server helper	X11 License and Historical Permission Notice and Disclaimer
X Server helper	X11 License and Historical Permission Notice and Disclaimer
XCB-XInput	MIT License
XSVG	Historical Permission Notice and Disclaimer - sell variant
extra-cmake-modules, version 5.84.0	BSD-3-Clause
forkfd	MIT License
libdus-1 headers, version dbus-1.13.12	Academic Free License v2.1, or GNU General Public License v2.0 or later
sRGB color profile icc file	International Color Consortium License

Qt Quick Ultralite platform BSP

Arm CMSIS Core headers, CMSIS DSP and CMSIS NN source	Apache License Version 2.0
BSP and HAL for STM32 boards	BSD 3-Clause "New" or "Revised" License
CMSIS Cortex-M0+ Device Peripheral Access Layer Source File	Apache License 2.0
Cortex Microcontroller Software Interface Standard headers	Apache License 2.0
Cortex Microcontroller Software Interface Standard headers	Apache License 2.0
Cortex Microcontroller Software Interface Standard headers	Apache License 2.0
Flexible Software Package (FSP) for Renesas RA MCU Family	Renesas Software License Agreement
Foreign Function Interface library runtime, version 3.4.2	MIT
FreeRTOS Kernel V10.0.1	MIT License
FreeRTOS Kernel V10.0.1	MIT License
Infineon CAT1 Cortex M0+ prebuilt images	Apache License Version 2.0
Infineon Core Library	Apache License Version 2.0
Infineon MTB CAT1 Peripheral Driver Library	Apache License Version 2.0
Infineon Retarget IO Library	Apache License Version 2.0
Infineon board support package for the T2G-C-2D 6M Lite Evaluation board with CYT4DNJBZS MCU.	Apache License Version 2.0
International Components for Unicode, version 56	ICU License
NXP MCUXpresso SDK	BSD 3-Clause "New" or "Revised" License
RA FSP(Flexible Software Package) examples	Renesas Software License Agreement
RH850 Startup File	Custom License
Renesas FreeRTOS port files	Renesas Software License Agreement
STM32 Projects from STM32Cube MCU Packages	STMicroelectronics Software License Agreement

Demos and examples

Barlow Fonts	SIL Open Font LICENSE
FatFS file system, version R0.12c	BSD 3-Clause "New" or "Revised" License
JPEG decoder STM32F7 utility	BSD 3-Clause "New" or "Revised" License
JPEG decoder STM32H7 utility	BSD 3-Clause "New" or "Revised" License
Monotype Licensed Fonts	Extension to Qt License Agreement
NXP SDMMC initialization code	BSD-3-Clause
Noto Sans Arabic Family Font	SIL Open Font License 1.1
Noto Sans Japanese Family Font	SIL Open Font License 1.1
Noto Sans Thai Family Font	SIL Open Font License 1.1
Roboto Fonts by Google, Inc.	Apache License 2.0
Sarabun Fonts	SIL Open Font LICENSE
Titillium Web Fonts	SIL Open Font License 1.1

Host tools

Anti-aliasing rasterizer from FreeType 2	Freetype Project License or GNU General Public License v2.0 only
Anti-aliasing rasterizer from FreeType 2	Freetype Project License or GNU General Public License v2.0 only
Arm GNU Toolchain, version 12.3.rel1	GNU General Public License v3.0 with GCC Runtime Library Exception
BLAKE2 (reference implementation), version 54f4faa4c16ea34bcd59d16e8da46a64b259fc07	Creative Commons Zero v1.0 Universal or Apache License 2.0
Bitstream Vera Font, version 1.10	Bitstream Vera Font License
Catch2, version 2.13.8	Boost Software License 1.0
Cycle	MIT License
Data Compression Library (zlib), version 1.2.11	zlib License
Data Compression Library (zlib), version 1.2.12	zlib License
DejaVu Fonts, version 2.37	Bitstream Vera Font License
DejaVu Fonts, version 2.37	Bitstream Vera Font License
Easing Equations by Robert Penner	BSD 3-clause "New" or "Revised" License
Efficient Binary-Decimal and Decimal-Binary Conversion Routines for IEEE Doubles, version 3.1.5-30-gbf46072	BSD 3-clause "New" or "Revised" License
Efficient Binary-Decimal and Decimal-Binary Conversion Routines for IEEE Doubles, version 3.2.0+e634f265db5d296bd7a780f9813d6b8573f5bd90	BSD 3-clause "New" or "Revised" License
Foreign Function Interface library runtime, version 3.4.2	MIT
FreeBSD strtoll and strtoull, version 18b29f3fb8abee5d57ed8f4a44f806bec7e0eeff	BSD 3-clause "New" or "Revised" License
FreeType 2, version 2.10.0	Freetype Project License or GNU General Public License v2.0 only
FreeType 2, version 2.13.3	Freetype Project License
Freetype 2 - Bitmap Distribution Format (BDF) support	MIT License
Freetype 2 - Bitmap Distribution Format (BDF) support	MIT License
Freetype 2 - Portable Compiled Format (PCF) support	MIT License and MIT Open Group variant
Freetype 2 - Portable Compiled Format (PCF) support	MIT License
Freetype 2 - zlib	zlib License
Freetype 2 - zlib	zlib License
Freetype 2, version 2.10.4	Freetype Project License or GNU General Public License v2.0 only
Freetype 2, version 2.12.1	Freetype Project License or GNU General Public License v2.0 only
HarfBuzz-NG, version 2.9.0	MIT License
HarfBuzz-NG, version 4.2.1	MIT License
IAccessible2 IDL Specification, version 1.3.0	BSD 3-clause "New" or "Revised" License
International Components for Unicode, version 56	ICU License
JavaScriptCore Macro Assembler	BSD 2-clause "Simplified" License
KWin, version 5.13.4	BSD-3-Clause
LLVM: Core, version 13.0.1	University of Illinois/NCSA Open Source License
LLVM: Core, version 19.1.6	University of Illinois/NCSA Open Source License
LLVM: MD5 Message-Digest Algorithm (RFC 1321), version 13.0.1	Public Domain
LLVM: MD5 Message-Digest Algorithm (RFC 1321), version 19.1.6	Public Domain
LLVM: Regular Expressions Library, version 13.0.1	OpenBSD: COPYRIGHT,v 1.3 2003/06/02 20:18:36 millert Exp
LLVM: Regular Expressions Library, version 19.1.6	OpenBSD: COPYRIGHT,v 1.3 2003/06/02 20:18:36 millert Exp
LibJPEG-turbo, version 2.1.1	Independent JPEG Group License and BSD 3-Clause "New" or "Revised" License and zlib License
LibJPEG-turbo, version 2.1.3	Independent JPEG Group License and BSD 3-Clause "New" or "Revised" License and zlib License
LibPNG, version 1.6.37	libpng License and PNG Reference Library version 2
Linux Performance Events, version 3.7	GNU General Public License v2.0 only with Linux Syscall Note
MD4	Public Domain
MD4C, version 0.4.8	MIT License
MD5	Public Domain
Monotype FontmapEditor	Extension to Qt License Agreement
Monotype Licensed Fonts	Extension to Qt License Agreement
Monotype WorldType® Shaper Spark™	Extension to Qt License Agreement
Monotype iType® Spark™	Extension to Qt License Agreement
OpenGL ES 2 Headers, version Revision 27673	MIT License
OpenGL Headers, version Revision 27684	MIT License
PCRE2 - Stack-less Just-In-Time Compiler, version 10.39	BSD 2-clause "Simplified" License
PCRE2 - Stack-less Just-In-Time Compiler, version 10.40	BSD 2-clause "Simplified" License
PCRE2, version 10.39	BSD 3-clause "New" or "Revised" License
PCRE2, version 10.40	BSD 3-clause "New" or "Revised" License
Pixman, version 0.17.12	MIT License
Protocol Buffers for Embedded Systems, version 0.4.7	zlib License
QEventDispatcher on macOS	BSD 3-clause "New" or "Revised" License
Secure Hash Algorithm SHA-1	Public Domain
Secure Hash Algorithm SHA-3 - Keccak, version 3.2	Creative Commons Zero v1.0 Universal
Secure Hash Algorithm SHA-3 - brg_endian, version https://github.com/BrianGladman/sha/ commit 4b9e13ead2c5b5e41ca27c65de4dd69ae0bac228	BSD 2-clause "Simplified" License
Secure Hash Algorithms SHA-384 and SHA-512	BSD 3-clause "New" or "Revised" License
SipHash Algorithm	Creative Commons Zero v1.0 Universal
Smooth Scaling Algorithm	BSD 2-clause "Simplified" License and Imlib2 License
Smooth Scaling Algorithm	BSD 2-clause "Simplified" License and Imlib2 License
TIFF Software Distribution (libtiff), version 4.3.0	libtiff License
TIFF Software Distribution (libtiff), version 4.4.0	libtiff License
The Public Suffix List, version c7fe8ddee7f4e16095e51fbc3dd72f18b7a8567d, fetched on 2022-02-17	Mozilla Public License 2.0
The Public Suffix List, version d17a65633b0286833727ef21e897a22564695ef5, fetched on 2022-05-23	Mozilla Public License 2.0
TinyCBOR, version 0.6+patches	MIT License
TinyCBOR, version 0.6.0	MIT License
Unicode Character Database (UCD), version 26	Unicode License Agreement - Data Files and Software (2016)
Unicode Character Database (UCD), version 28	Unicode License Agreement - Data Files and Software (2016)
Unicode Common Locale Data Repository (CLDR), version v40	Unicode License Agreement - Data Files and Software (2016)
Unicode Common Locale Data Repository (CLDR), version v40	Unicode License Agreement - Data Files and Software (2016)
Valgrind, version 3.14.0	BSD 4-clause "Original" or "Old" License
Vulkan API Registry, version 1.2.166	Apache License 2.0 or MIT License
Vulkan API Registry, version 1.2.166	MIT License
Vulkan Memory Allocator, version 2.3.0	MIT License
WebGradients	MIT License
WebP (libwebp), version 1.2.1	BSD 3-clause "New" or "Revised" License
WebP (libwebp), version 1.2.2	BSD 3-clause "New" or "Revised" License
Wintab API	LCS-Telegraphics License
X Server helper	X11 License and Historical Permission Notice and Disclaimer
X Server helper	X11 License and Historical Permission Notice and Disclaimer
XCB-XInput	MIT License
extra-cmake-modules, version 5.84.0	BSD-3-Clause
forkfd	MIT License
libdus-1 headers, version dbus-1.13.12	Academic Free License v2.1, or GNU General Public License v2.0 or later
sRGB color profile icc file	International Color Consortium License

Licensing model Support for Qt for MCUs

Available under certain Qt licenses.
Find out more.