Open-source licences
Aultra Tools is built with the help of open-source software. We thank the authors and list each component and its licence below.
| Component | Licence |
|---|---|
| libheif (HEIC decoding), via libheif-js 1.23.5 | LGPL-3.0 |
| jSquash codecs (MozJPEG, libwebp, OxiPNG, PNG, resize) | Apache-2.0 (with BSD/MIT/IJG/zlib components) |
| PDF.js | Apache-2.0 |
| pdf-lib (@cantoo fork) | MIT |
| UPNG.js | MIT |
| pako | MIT and Zlib |
| fflate | MIT |
| qrcode-generator | MIT |
| qr (paulmillr) | MIT or Apache-2.0 |
| React | MIT |
| Astro | MIT |
| Space Grotesk font | SIL Open Font License 1.1 |
LGPL notice for the HEIC decoder
HEIC photos are decoded with libheif, which is licensed under the GNU Lesser General Public License v3.0. It is
served unmodified as separate files at /vendor/libheif/ (licence text), so it can be
replaced with another compatible build. The source code is available from the
libheif project and the
libheif-js build (version 1.23.5).