Reverb.com is an online marketplace for new, used, and vintage musical equipment, including instruments used by notable musicians. It was founded in 2013 by David Kalt, and roughly 85 percent of its employees are musicians. As of 2016, Reverb.com was a multimillion-dollar business, and as of 2017 it had more than 10 million monthly visitors. In 2019, Etsy acquired Reverb.com for $275 million, and in 2025 Etsy announced it was selling it off. From Wikipedia