sptlrx displays synchronized song lyrics in a terminal and works with Spotify, MPD, browsers, and other players.
Open source
24 alternativesQO & SPECTRE
QO & SPECTRE displays BPM and key information for songs to support music analysis.
About QO & SPECTRE
QO & SPECTRE displays BPM and key information for songs to support music analysis.
QO & SPECTRE is a website in our Music Tools collection, part of the Music & Audio directory. It runs in your web browser, so there's nothing to install.
Not quite what you need? Close alternatives include sptlrx — compare them below.
QO & SPECTRE at a glance
- Category
- Music & Audio › Music Tools
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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QO & SPECTRE FAQ
What is QO & SPECTRE?
QO & SPECTRE displays BPM and key information for songs to support music analysis.
Can I use QO & SPECTRE in my browser?
Yes. QO & SPECTRE works on the web, so you can use it from any modern browser without installing anything.
Is QO & SPECTRE working?
docs.google.com responded when checked on Oct 6, 2026. Its current availability has not been confirmed.
What are the best alternatives to QO & SPECTRE?
Popular alternatives to QO & SPECTRE include sptlrx. We list 1+ options matched by topic, tags and features.
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