Proven - Simple, elegant hiring. Post jobs to 15+ job boards with one click. Small businesses applicant tracking.
Celluloid - Celluloid (formerly GNOME MPV) is a simple GTK+ frontend for mpv. Celluloid interacts with mpv via the client API exported by libmpv, allowing access to mpv's powerful playback capabilities.
PingPong UX - The easiest way to run remote user research. Test your product with users worldwide & create experiences they'll love.
SMPlayer - SMPlayer is a free video and audio player for both Windows and Linux that allows you to play almost all media files without having to install additional codecs. Read more about SMPlayer.
Testbirds - Testbirds is a crowdtesting platform with a community of 100,000 testers
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.