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SMPlayer vs QMPlay2: catalog facts
SMPlayer	QMPlay2
Free Free and open source under the GPL 2.0.	Free Free and open source under the LGPL-3.0 licence.
Windows, macOS, Linux	Linux
Remembers position, audio track and subtitles per file mpv and MPlayer engines, so format coverage is excellent	Plays anything FFmpeg supports, plus Audio CDs and chiptunes Built-in YouTube browser and Streamlink support
The interface is dated Qt and skins only go so far Two engines means two sets of quirks when something misbehaves	Interface is busier than simpler players No dedicated homepage beyond the GitHub repository
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: LGPL-3.0
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 1, 2026

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