slomoVideo
slomoVideo – creating slow-motion videos from your footage. Free and open source program
GPU Screen Recorder
GPU Screen Recorder is a screen recorder similar to shadowplay for Linux. Free and open source simple program
Boram
Boram – cross-platform graphical WebM converter. Free and open source program
PsTube
PsTube – viewing and downloading videos without ads from the Youtube service. Free and open source program
HBud
HBud is a free and open source simple music/video player and karaoke application
SF Tube
SF Tube is a free and open source, multiplatform simple program for downloading videos from YouTube
MakeMKV
MakeMKV is a free multiplatform DVD and Blu-ray to MKV converter and network streamer
GridPlayer
GridPlayer is a free and open source, cross-platform, simple VLC-based video player that can play multiple videos simultaneously
IPTVnator
IPTVnator is a free and open source IPTV player with support for m3u and m3u8 playlists
Blue Recorder
Blue Recorder is a free and open source simple program for recording desktop videos on Linux, supports Wayland and Xorg