Compare software

Clapper vs SMPlayer: catalog facts
Clapper	SMPlayer
Free Free and open source under GPL and LGPL licences.	Free Free and open source under the GPL 2.0.
Linux	Windows, macOS, Linux
Native GTK4 interface that fits GNOME GStreamer-based playback	Remembers position, audio track and subtitles per file mpv and MPlayer engines, so format coverage is excellent
Aimed at Linux and the GNOME desktop Format support depends on installed GStreamer plugins	The interface is dated Qt and skins only go so far Two engines means two sets of quirks when something misbehaves
Downloadable app	Downloadable app
Open source	Open source
License: GPL and LGPL	License: GPL-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.