Metronomus - Powerful and beautiful online metronome
CKEditor - Real-time collaborative future-ready rich text editor
MyGuitarTuner.com - Online microphone tuner for guitar, ukulele, violin and other instruments. Tune by ear or using the microphone of your device. It's fast and accurate algorithm makes it one of the best online microphone tuners available.
Summernote - Summernote is a JavaScript library that helps users create WYSIWYG editors online.
LINGOT - Musical instrument tuner, LINGOT is a musical instrument tuner.
Froala Editor - Froala Editor is a WYSIWYG HTML editor that enables rich text editing capabilities for the applications.