Consider license change to GPLv3

[aedocw]

When I first started this project I did not really plan to share it, I was just solving my own problem. But because I've been involved in open source communities for a long time, and I realized some other people might benefit from it, I figured I should put it up here on github. Without actually thinking carefully about it I just slapped an Apache 2 license on it and went on my merry way.

Over time this project has grown a LOT, and I have not paid attention to the licensing for the libraries I was pulling in. If I'd had any intentions to try to commercialize any of this I would have thought more carefully, but since it was just for fun, I didn't bother. Most recently though, as noted in issue 105, if we want to use StyleTTS2 as it stands today, we would likely need to change the license to GPL.

I don't have any concerns with that, and running licensecheck against requirements.txt shows that we're already importing a bunch of GPL-licensed libraries anyway!

                                                 
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┃ Item            ┃ Value                       ┃
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│ program         │ licensecheck                │
│ version         │ 2024                        │
│ license         │ MIT LICENSE                 │
│ project_license │ NO LICENSE/ UNKNOWN LICENSE │
└─────────────────┴─────────────────────────────┘
                                                                                                                          
                                                     List Of Packages                                                     
┏━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃ Compatible ┃ Package                  ┃ License(s)                                                                     ┃
┡━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┩
│ ✔          │ Cython                   │ APACHE SOFTWARE LICENSE                                                        │
│ ✖          │ EbookLib                 │ GNU AFFERO GENERAL PUBLIC LICENSE                                              │
│ ✔          │ Flask                    │ BSD LICENSE                                                                    │
│ ✔          │ Jinja2                   │ BSD LICENSE                                                                    │
│ ✖          │ Levenshtein              │ GNU GENERAL PUBLIC LICENSE V2 OR LATER (GPLV2+)                                │
│ ✔          │ Pillow                   │ HISTORICAL PERMISSION NOTICE AND DISCLAIMER (HPND)                             │
│ ✔          │ PyYAML                   │ MIT LICENSE                                                                    │
│ ✖          │ TTS                      │ MOZILLA PUBLIC LICENSE 2.0 (MPL 2.0)                                           │
│ ✖          │ Unidecode                │ GNU GENERAL PUBLIC LICENSE V2 OR LATER (GPLV2+)                                │
│ ✔          │ aiohttp                  │ APACHE SOFTWARE LICENSE                                                        │
│ ✔          │ anyascii                 │ ISC LICENSE (ISCL)                                                             │
│ ✔          │ anyio                    │ MIT LICENSE                                                                    │
│ ✔          │ bangla                   │ MIT LICENSE                                                                    │
│ ✔          │ beautifulsoup4           │ MIT LICENSE                                                                    │
│ ✔          │ bnnumerizer              │ MIT LICENSE                                                                    │
│ ✔          │ bnunicodenormalizer      │ MIT LICENSE                                                                    │
│ ✖          │ certifi                  │ MOZILLA PUBLIC LICENSE 2.0 (MPL 2.0)                                           │
│ ✔          │ charset-normalizer       │ MIT LICENSE                                                                    │
│ ✔          │ click                    │ BSD LICENSE                                                                    │
│ ✔          │ colorama                 │ BSD LICENSE                                                                    │
│ ✖          │ coqpit                   │ UNKNOWN                                                                        │
│ ✔          │ cssselect                │ BSD LICENSE                                                                    │
│ ✔          │ deepspeed                │ APACHE SOFTWARE LICENSE 2.0                                                    │
│ ✔          │ distro                   │ APACHE SOFTWARE LICENSE                                                        │
│ ✔          │ einops                   │ MIT LICENSE                                                                    │
│ ✖          │ encodec                  │ CREATIVE COMMONS ATTRIBUTION-NONCOMMERCIAL 4.0 INTERNATIONAL                   │
│ ✔          │ feedfinder2              │ MIT LICENSE                                                                    │
│ ✔          │ feedparser               │ BSD LICENSE                                                                    │
│ ✔          │ filelock                 │ THE UNLICENSE (UNLICENSE)                                                      │
│ ✔          │ fsspec                   │ BSD LICENSE                                                                    │
│ ✖          │ fuzzywuzzy               │ GNU GENERAL PUBLIC LICENSE V2 (GPLV2)                                          │
│ ✔          │ g2pkk                    │ APACHE SOFTWARE LICENSE                                                        │
│ ✔          │ gruut                    │ MIT LICENSE                                                                    │
│ ✖          │ hangul-romanize          │ UNKNOWN                                                                        │
│ ✔          │ httpx                    │ BSD LICENSE                                                                    │
│ ✔          │ idna                     │ BSD LICENSE                                                                    │
│ ✔          │ inflect                  │ MIT LICENSE                                                                    │
│ ✔          │ jamo                     │ APACHE SOFTWARE LICENSE                                                        │
│ ✔          │ jieba                    │ MIT LICENSE                                                                    │
│ ✖          │ jieba3k                  │ UNKNOWN                                                                        │
│ ✔          │ joblib                   │ BSD LICENSE                                                                    │
│ ✔          │ librosa                  │ ISC LICENSE (ISCL)                                                             │
│ ✔          │ lxml                     │ BSD LICENSE                                                                    │
│ ✔          │ matplotlib               │ PYTHON SOFTWARE FOUNDATION LICENSE                                             │
│ ✔          │ more-itertools           │ MIT LICENSE                                                                    │
│ ✖          │ mutagen                  │ GNU GENERAL PUBLIC LICENSE V2 OR LATER (GPLV2+)                                │
│ ✔          │ networkx                 │ BSD LICENSE                                                                    │
│ ✔          │ newspaper3k              │ MIT                                                                            │
│ ✔          │ nltk                     │ APACHE SOFTWARE LICENSE                                                        │
│ ✔          │ noisereduce              │ BSD LICENSE                                                                    │
│ ✔          │ num2words                │ GNU LIBRARY OR LESSER GENERAL PUBLIC LICENSE (LGPL)                            │
│ ✔          │ numba                    │ BSD LICENSE                                                                    │
│ ✔          │ numpy                    │ BSD LICENSE                                                                    │
│ ✖          │ nvidia-cublas-cu12       │ OTHER/PROPRIETARY LICENSE                                                      │
│ ✖          │ nvidia-cuda-cupti-cu12   │ OTHER/PROPRIETARY LICENSE                                                      │
│ ✖          │ nvidia-cuda-nvrtc-cu12   │ OTHER/PROPRIETARY LICENSE                                                      │
│ ✖          │ nvidia-cuda-runtime-cu12 │ OTHER/PROPRIETARY LICENSE                                                      │
│ ✖          │ nvidia-cudnn-cu12        │ OTHER/PROPRIETARY LICENSE                                                      │
│ ✖          │ nvidia-cufft-cu12        │ OTHER/PROPRIETARY LICENSE                                                      │
│ ✖          │ nvidia-curand-cu12       │ OTHER/PROPRIETARY LICENSE                                                      │
│ ✖          │ nvidia-cusolver-cu12     │ OTHER/PROPRIETARY LICENSE                                                      │
│ ✖          │ nvidia-cusparse-cu12     │ OTHER/PROPRIETARY LICENSE                                                      │
│ ✖          │ nvidia-nccl-cu12         │ OTHER/PROPRIETARY LICENSE                                                      │
│ ✖          │ nvidia-nvtx-cu12         │ OTHER/PROPRIETARY LICENSE                                                      │
│ ✔          │ openai                   │ APACHE SOFTWARE LICENSE                                                        │
│ ✔          │ openai-whisper           │ MIT                                                                            │
│ ✔          │ packaging                │ APACHE SOFTWARE LICENSE;; BSD LICENSE                                          │
│ ✔          │ pandas                   │ BSD LICENSE                                                                    │
│ ✖          │ pedalboard               │ GNU GENERAL PUBLIC LICENSE V3 (GPLV3)                                          │
│ ✔          │ pydantic                 │ MIT LICENSE                                                                    │
│ ✔          │ pydub                    │ MIT LICENSE                                                                    │
│ ✔          │ pypinyin                 │ MIT LICENSE                                                                    │
│ ✔          │ pysbd                    │ MIT LICENSE                                                                    │
│ ✖          │ python-Levenshtein       │ GNU GENERAL PUBLIC LICENSE V2 OR LATER (GPLV2+)                                │
│ ✔          │ python-dateutil          │ BSD LICENSE;; APACHE SOFTWARE LICENSE                                          │
│ ✔          │ regex                    │ APACHE SOFTWARE LICENSE                                                        │
│ ✔          │ requests                 │ APACHE SOFTWARE LICENSE                                                        │
│ ✔          │ scikit-learn             │ BSD LICENSE                                                                    │
│ ✔          │ scipy                    │ BSD LICENSE                                                                    │
│ ✔          │ six                      │ MIT LICENSE                                                                    │
│ ✔          │ sniffio                  │ MIT LICENSE;; APACHE SOFTWARE LICENSE                                          │
│ ✔          │ soundfile                │ BSD LICENSE                                                                    │
│ ✔          │ soupsieve                │ MIT LICENSE                                                                    │
│ ✔          │ spacy                    │ MIT LICENSE                                                                    │
│ ✔          │ sympy                    │ BSD LICENSE                                                                    │
│ ✔          │ tiktoken                 │ MIT LICENSE                                                                    │
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│            │                          │ COPYRIGHT (C) 2022 OPENAI, SHANTANU JAIN                                       │
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│ ✔          │ tinysegmenter            │ BSD LICENSE                                                                    │
│ ✔          │ tldextract               │ BSD LICENSE                                                                    │
│ ✔          │ torch                    │ BSD LICENSE                                                                    │
│ ✔          │ torchaudio               │ BSD LICENSE                                                                    │
│ ✔          │ tqdm                     │ MIT LICENSE;; MOZILLA PUBLIC LICENSE 2.0 (MPL 2.0)                             │
│ ✔          │ trainer                  │ APACHE SOFTWARE LICENSE                                                        │
│ ✔          │ transformers             │ APACHE SOFTWARE LICENSE                                                        │
│ ✔          │ triton                   │ MIT LICENSE                                                                    │
│ ✔          │ typing_extensions        │ PYTHON SOFTWARE FOUNDATION LICENSE                                             │
│ ✔          │ umap-learn               │ BSD                                                                            │
│ ✔          │ urllib3                  │ MIT LICENSE                                                                    │
└────────────┴──────────────────────────┴────────────────────────────────────────────────────────────────────────────────┘

[rsxdalv]

Newer versions of encodec are MIT, only the old version is creative commons