Sayonara - Linux audio player and music library manager
Kapwing Stop Motion Video Maker - Transform your footage into a stop motion video
Mopidy - Mopidy is an extensible music server written in Python. Mopidy plays music from local disk, Spotify, SoundCloud, Google Play Music, and more. You edit the playlist from any phone, tablet, or computer using a range of MPD and web clients.
VEED FIlter Video Online - Add filters and LUT's to videos online
Oceanaudio - Ocenaudio is a cross-platform, easy to use, fast and functional audio editor.
Compressify - Compress video files by 20-60%