Open Source Kotlin Sound/Audio Apps for Android

Audio Share can share Windows/Linux computer's audio to Android phone over network, so your phone becomes the speaker of computer. (You needn't buy a new speaker😄.) https://github.com/mkckr0/audio-share

AIO Video Downloader is a clean and reliable Android application designed as a powerful alternative to VidMate and SnapTube. It delivers a simple yet feature-rich video downloading experience, developed with privacy and user convenience in mind. Unlike many similar apps, AIO Video Downloader removes all the clutter, bloat, and annoying ads while giving you the smooth performance you expect. Powered by a strong backend, AIO Video Downloader supports downloads from 1000+ websites including YouTube, Facebook, Instagram, Twitter, Dailymotion, and many more. Save your favorite videos offline in the best possible quality—without compromises and without distractions.

YTDLnis is a free and open source app that uses yt-dlp, a powerful command-line program that supports over 1000 websites. With YTDLnis, you can download videos and audios in various formats and qualities, customize your download options, and manage your downloads in a simple and user-friendly interface. YTDLnis is compatible with Android 6.0 and above, and requires no root access. Download YTDLnis today and enjoy your favorite content offline anytime, anywhere. Official website: https://ytdlnis.com/