Fine Tuner - Fine Tuner is a minimalistic guitar tuner that utilizes your device's built-in microphone.
GoLocalBot. The project is closed - Platform for volunteers, NGOs, activists and crowdmapping.
Metronomus - Powerful and beautiful online metronome
GivingWay - Travel the world, do some good.
LINGOT - Musical instrument tuner, LINGOT is a musical instrument tuner.
Volgistics - Volgistics is a volunteer management software solution, that helps to manage volunteers through the entire volunteer cycle.