Fragment is a web-based collaborative spectral musical instrument driven by real-time visuals generated by its users from shared GLSL scripts.
I am happy to say that Fragment is now released!
Fragment started in September 2016 but the initial proof of concept was made a few years ago when some experiments was made with the idea of "drawn sounds", the proof of concept was made in two days and had no collaborative features, with all the features and improvements added in four months, Fragment is now mature enough to be released!
I hope you will have as much fun playing with it as i had making it.
The biggest inspiration for all of this was Alexander Zolotov Virtual ANS software, thank to him.
Please report any features/improvements you would like to see next here and of course the things that don't work, have fun!