Open Source Licenses

← Back to Home

Kalemny is built with the help of many open source libraries and tools. We are grateful to the developers and maintainers of these projects. This page lists the major open source software we use and their respective licenses.

In-App Licenses: For a complete list of all packages and their licenses, open the Kalemny app and go to Settings → Open Source Licenses.

Framework

Flutter

BSD 3-Clause License

Google's UI toolkit for building natively compiled applications.

Dart

BSD 3-Clause License

Programming language optimized for building mobile, desktop, server, and web applications.

Core Libraries

Provider

MIT License

State management library for Flutter applications.

Dio

MIT License

HTTP client for Dart with interceptors and global configuration.

SharedPreferences

BSD 3-Clause License

Flutter plugin for reading and writing simple key-value pairs.

flutter_secure_storage

BSD 3-Clause License

Secure storage for sensitive data using platform-specific encryption.

Audio & Speech

just_audio

Apache 2.0 License

Feature-rich audio player for Flutter.

flutter_sound

Mozilla Public License 2.0

Audio recorder and player for Flutter.

speech_to_text

BSD 3-Clause License

Speech recognition plugin for Flutter.

UI Components

phosphor_flutter

MIT License

Phosphor Icons for Flutter.

cached_network_image

MIT License

Flutter library to load and cache network images.

flutter_svg

MIT License

SVG rendering and widget library for Flutter.

lottie

MIT License

Render After Effects animations natively in Flutter.

Utilities

intl

BSD 3-Clause License

Internationalization and localization support.

url_launcher

BSD 3-Clause License

Flutter plugin for launching URLs.

path_provider

BSD 3-Clause License

Flutter plugin for finding commonly used locations on the filesystem.

License Texts

MIT License

MIT License

Copyright (c) [year] [copyright holders]

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

BSD 3-Clause License

BSD 3-Clause License

Copyright (c) [year] [copyright holders]
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this
   list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its
   contributors may be used to endorse or promote products derived from
   this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Apache 2.0 License

Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

Thank you to all the open source contributors who make projects like Kalemny possible.