To "live DJ" there's the extremely famous https://virtualdj.com/ To create prerecorded DJ sets https://www.mixmeister.com/ Been using both for at least 10 years, love them both. - Source: Hacker News / 5 months ago

Not open source, but free for "home use" https://virtualdj.com/. - Source: Hacker News / 5 months ago

I started with Virtual DJ to get used to the software latency (I came from turntables) and get my muscle memory on button locations (which is why I stayed with the same brand). VDJ has every feature you need. The software is free to use without a controller from virtualdj.com. Source: over 1 year ago

A lot of the places that do it from scratch I notice use https://virtualdj.com/. Source: almost 2 years ago

DJ software, like VirtualDJ will have features that are more conducive to what you're trying to do, like live looping functions that help you lock the loop to the beat. It's also cheaper (free for non-commercial use without a hardware controller) than QLab, and it's cross-platform (QLab is Mac-only, if that matters). Source: about 2 years ago

Why use this when you could just use Lilypond, which is free, open source, and has a legacy in TeX: https://lilypond.org. - Source: Hacker News / 6 months ago

> since its width was set to 0 Is this totally necessary? It might be. I don't know much about font programming. If the values have to be hard-coded. If you can get me a contact info, I could send you the master list of chords.. Maybe you could use that. > I think a more “advanced” use case like the one you described can be addressed by something like https://lilypond.org Lilypond is a music engraving system. That... - Source: Hacker News / 6 months ago

So I need to pack the font itself with both the A and the Am6 ligatures… I think a more “advanced” use case like the one you described can be addressed by something like https://lilypond.org. - Source: Hacker News / 6 months ago

At lilypond.org I found some tips, but they all were for the complete score. I don't want my score to be compressed or have smaller notes as I'm rewriting the music because the original notes are to small for me. Source: 7 months ago

As far as open-source software is concerned, you can use Lilypond [1]. Fully text-based transcription. You can edit, insert, splice, overwrite, etc. To your heart's content in your favorite text editor and get a high-quality engraving as output. [1] https://lilypond.org/. - Source: Hacker News / 10 months ago