This product uses open-source software.

AndroidPdfViewer
Apache 2.0
https://github.com/barteksc/AndroidPdfViewer#license

MPAndroidChart
Apache License, Version 2.0
https://github.com/PhilJay/MPAndroidChart

glide
BSD, part MIT and Apache 2.0
https://github.com/bumptech/glide

pinned-section-listview
Apache License, Version 2.0
https://github.com/sergejsha/pinned-section-listview

material-calendarview
MIT
https://github.com/prolificinteractive/material-calendarview/blob/master/LICENSE

ZXing
Apache 2.0
https://zxing.github.io/zxing/

OpenSSL
Apache 2.0
https://www.openssl.org/

FFmpeg
LGPL 2.1
https://www.ffmpeg.org/

librtmp


Lotties
Apache 2.0
https://github.com/airbnb/lottie-android/blob/master/LICENSE